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My Dream House and the Pond

News Feed
Tuesday, March 12, 2024

I can’t talk about our house in the Bronx without telling you first about the pond out front. Given how much worse flooding can be elsewhere in New York City—even just two blocks to the east along the valley of Broadway, where the sewer is always at capacity—not to mention elsewhere in the world, I’m embarrassed to gripe about my personal pond. These days, such bodies of water are everywhere. Mine is not the only pond, but merely the pond I can’t avoid.The pond dilates and contracts according to water levels. After a string of dry days, it may shrink to a puddle. After a storm, it may stretch to the length of a freight car, spilling into the middle of the street. It’s bad for curb appeal. Its sources are environmental, structural, and complex. On the rare occasion the pond dissipates, it leaves behind a residue like black mayonnaise.The pond is almost always there. Our region is getting wetter as the climate changes. More rain, more storms, more often. The infrastructure of our city, at the edge of the rising sea, isn’t fit to handle so much water. Sudden, torrential downpours overwhelm our outdated drainage systems, especially at high tide; drench the subway system; and, in some low-lying places nearby, turn streets into sewers and basements into death traps.In summer, the pond breeds mosquitoes and collects litter: cigarette butts, scratched-off lotto tickets. In winter, I worry the pond will become a slipping hazard. This is what I say when dialing 311, the city’s helpline, in hopes of remediation. An elderly neighbor could slip on the ice and break a bone. The pond could collapse into a sinkhole.Tell it to the DOT, lady, says the Department of Environmental Protection. I do. Nope, says the Department of Transportation; because of the tree, this is a problem for Parks. I follow up. Weeks pass. The Department of Parks and Recreation directs me to the Department of Health. Months pass. What you need to do for ponding, says the DOH, is try the DEP. I write to my city-council member: I’m being given the runaround. Weeks pass without reply. Surely, this wouldn’t happen in the rich neighborhood up the hill. As a city worker myself, I know this dance well—this absurd, disjointed roundelay.[Olga Khazan: Why can’t I just rent a house? ]I ruminate over the pond. It has caused me not just embarrassment but shame. It has turned me scientific, made me into a water witch. I understand that the pond is beyond the scope of any one person, or any one agency, to handle, and that it’s perilous to ignore. The pond is a dark mirror; in it, our house appears upside down, distorted. It reflects deeper problems of stewardship and governance and the position of our house in relation to both. We are privileged to own a home. Yet we live on land that will drown, that is inundated already. The pond is a portal. Sometimes it smells, this vent hole of the netherworld. Beneath its surface, something lies concealed. Given the fact of the pond, why did we buy the house? Now that we dwell in the house, what to do about the pond?Technically, the pond isn’t on our property at all. Our home inspector had no reason to suspect it. It belongs to the city, along with the street where it spreads. This is what we were told on the rainy day we arrived for the final walk-through before closing on the house in the deadly spring of 2020: The pond was up to the city to fix, with taxpayer dollars.Plenty of folks were deserting New York then. I mean hundreds of thousands. That we were committed to staying in the city was both an act of necessity and a point of pride. For my husband and I, the house was a step up from the crowded three-room apartment in Washington Heights where we’d sheltered in place, away from the mad snarl of highways whose traffic had given our boys asthma: a place to stretch out, a sign of our upward mobility. The American dream. To a Black family without generational wealth, some of whose ancestors were property themselves, it signified even more: Shelter. Safety. Equity. Arrival. A future for our children.We fell in love with the house as soon as we saw it, a run-down detached brick home in a working-class neighborhood with a little garden in back and windows on all four sides. The house had solid bones. We rejoiced when our offer was accepted. Yet until the day of the final walk-through, we had never visited the house in the rain.That morning, the pond greeted us like the opposite of a welcome mat, giving shape to whatever latent misgivings we had about making this move. I felt hoodwinked. Buyer beware! I waded into the middle of that bad omen to gauge its depth. Murky water sloshed over the tops of my rain boots, drenching my socks. Good Lord. It was so much more significant than a puddle. I wondered what it was, how to name it, and why it was here. Was what I stood on actually land, or something less concrete? Could it have been a wetland, once? Why hadn’t the pond been disclosed? Because it didn’t have to be, said the tight-lipped seller’s agent representing the estate of the previous owner, an old man named Jeremiah Breen.That night, my husband and I lay awake in bed, discussing our options. Sirens sounded up from the street. People were dying of COVID all around us. Purportedly, the house sat outside the floodplain. But what if the pond got bigger with worsening weather? Would it pour into the basement? Was the house’s foundation as solid as we’d been told? We doubted that the city would handle the underlying issues—not while hobbled by the pandemic. Would flood insurance be enough? Would the house be around to bequeath to our children, or would it be underwater? Was it an asset or a millstone? How high would the waters rise? How soon? Did we even believe, deep down in our souls, of ownership of this kind? Why fake like we or anyone else could own the land?Such questions of capital consumed us deep into the night. The bottom line was this: If we pulled out of the deal, we’d lose our down payment, amounting to two years of college tuition for one of our kids. By dawn, we admitted our disillusionment. We’d already crossed the Rubicon, imbricated in the twisted system that brought about the pond. Or so we said because nevertheless, we still loved the house.We renegotiated the purchase price; we moved in.Later, I learned that many current maps for flood risk overlap with maps of historic housing discrimination. Geography determines a neighborhood’s risk and, this being America, so does race. Neighborhoods that suffered from redlining in the 1930s—when our house was built—face a far higher risk of flooding today. The pond suggested a submerged history beneath the daily surface of things.The house was not just a risk but a wreck. Its rusty tanks sweated out oil that looked like blood onto the basement floor. Most of its windowpanes were cracked; its floors, uneven; its doors, out of plumb. It lacked adequate insulation. Under the creaky old planks, we discovered a newspaper dating back to the Depression. The front page addressed the use of antiques in home decoration. It featured a photo of a card room with an 18th-century Queen Anne table being used for bridge. How far back could I imagine? The paper flaked into pieces like the wings of moths when I tried to turn the page.By the time Jeremiah Breen took possession of the house, bridge had fallen out of fashion. At the time the table was carved, this part of the Bronx was marsh. When I input our zip code into the online archive of the U.S. Geological Survey, I can see on a century-old map what this wetland looked like before it was developed into the grid of streets, shops, houses, schools, and apartment buildings that make up the neighborhood now. In 1900, the land is still veined by blue streams. A pin in the shape of a teardrop marks the spot of our present address, smack-dab in a bend of a waterway called Tibbetts Brook. The brook was named after a settler whose descendants were driven off the land for their royalist sympathies during the Revolutionary War. Before that, it had another name. The Munsee Lenape called it Mosholu. We live on the ghost of this rivulet, just one of the city’s dozens of lost streams.[Hannah Ritchie: A slightly hotter world could still be a better one]The teardrop confirmed what I sensed about the true nature of my pond, which was so much more than a puddle, and not mine at all, but rather a part of a much larger body of water.Waterways like Tibbetts Brook were once the lifeblood of the city. As New York grew, in the 17th and 18th centuries, into the world’s supreme port, it counted on such freshwater streams for transportation, drinking water, fishing, and waterpower for grain mills and sawmills. The brook became polluted; eventually, railroad lines overtook waterways as transportation routes. Waterpower was replaced by steam. Steam was replaced by electric power. The banks of the streams became industrial wastelands, which became Black and brown neighborhoods. Plundered water bodies. Plundered peoples.The works of Eric Sanderson, a landscape ecologist, and Herbert Kraft, a scholar of the Lenape, help me imagine a preindustrial, pre-European version of my home place. The Wiechquaeseck community of Lenape lived in a settlement nearby, around Spuytin Duyvil Creek, fed by the waters of Mosholu. They lived mostly out of doors and owned no more than they could carry. Wealth was being in communion with one another, and in balance with the abundant natural world, “filled with an almost infinite variety of plants, animals, insects, clouds and stones, each of which possessed spirits no less important than those of human beings,” according to Kraft.All I have to do to see a remaining pocket of that natural world that was once my home is walk three blocks east to Van Cortlandt Park, where a narrow belt of lowland swamp forest still survives along a trail around open water. This small freshwater wetland is ecologically precious, home to many plant and animal species. It slows erosion, prevents flooding by retaining stormwater, filters and decomposes pollutants, and converts carbon dioxide into oxygen.Hunting the swamp are barred owls and red-tailed hawks. Water lilies, swamp loosestrife, and arrowhead each grow at different water depths, thickening the open water by midsummer. Mallards and wood ducks feed, nest, preen, and glide among dense strands of cattail, buttonbush, arrow arum, and blue flag. Eastern kingbirds and belted kingfishers screech from the treetops while painted turtles sun themselves on the lodges of muskrats. These, too, are my neighbors.The Van Cortlandt Swamp is fed by Tibbetts Brook, before the brook divides down into the concrete conduit, its tail buried. This little swamp is a patch of the 2,000 acres of freshwater wetland remaining in the city today, out of the 224,000 acres it boasted 200 years ago.“All water has a perfect memory and is forever trying to get back where it was,” Toni Morrison once wrote. From that point of view, the pond in front of our house is not a nuisance but rather the brook remembering itself. Mosholu. How might Thoreau have described my pond? The pond is a gift to the birds who stop there to bathe, and a place for wildlife to slake their thirst at night: possum, coyote, skunk. The pond is a lieu de mémoire, a reservoir. When the sun hits it at the right angle, the pond’s surface dances with jewels of light. When night comes, the pond throws back the orange glow of the streetlight. The pond is the paved-over wetland, reasserting its form.The Lenape believed that everything in nature has a spirit, and should be given thanks, and asked permission before taking from it. I doubt Jacobus Van Cortlandt, landowner, enslaver, and mayor of New York, asked permission when he had the Black people he owned dam up Tibbetts Brook in 1699 to install a sawmill and gristmill on his plantation. Some of the skeletons of those he enslaved were unearthed by construction workers laying down railroad tracks in the 1870s. The mill operated until 1889, when the city purchased the land for its park. At that point, the millpond became a small, decorative lake. Sometimes I walk to this lake, next to the African burial ground, to watch the damselflies and contemplate what lies beneath.At the lake’s south end, in 1912, the brook was piped into a storm drain and rechanneled into an underground tunnel that merged into a brick sewer below Broadway. This enabled the construction of streets and buildings south of the park, including our house, on top of backfill and city trash. What does it mean to live in a place where rivers are harnessed to carry our waste away, so we don’t have to think about it?According to the Department of Environmental Protection, 4 million to 5 million gallons of water flow into the Broadway sewer on a dry day from Tibbetts Brook and the millpond alone. That water runs through the sewer, where it mixes with raw household sewage, and then on to Wards Island Wastewater Treatment Plant. But when it rains, the amount of water can be five times that. At least 60 times a year, the treatment plant gets overwhelmed by rainwater and shuts down. Untreated sewage and rainwater are then discharged into the Harlem River, in violation of federal law.Now there are plans to “daylight” the subterranean stretch of Tibbetts Brook, bringing it back to the surface. This restoration will alleviate flooding by rerouting the buried section of the brook directly into the Harlem River, not exactly along its historic route, upon which our house sits. Instead, it will flow slightly to the east, along an old railway line that accidentally reverted to an urban wetland after the freight trains stopped running in the 1980s. This gully runs behind BJ’s Wholesale Club and the strip mall with the nail salon and the Flame hibachi and the Staples—already rewilding with tall marsh grasses and reeds.There is talk of undoing the past, of giving some of what was taken from nature back to nature. There is talk of a bike path along a greenway costing millions of dollars. If the project comes to pass by 2030 as planned, it will be New York City’s first daylighting story, and we will be in the watershed. Unburying the brook seems like a good thing. I hope, when it beautifies the landscape, that my neighbors can still afford to live here.We were still living out of boxes in early September 2021 when the National Weather Service declared New York City’s first flash-flood emergency. Our boys were by then 8 and 10. More than three inches of rain fell in just one hour, shattering a record set by a storm the week before. Was it even correct to call it a 500-year rainfall event when the past had become such a poor guide to the present? The remnants of Hurricane Ida turned the nearby Major Deegan Expressway back into a river, stranding cars, buses, and trucks in high water. That image, from our new neighborhood, became an international symbol of the city’s unpreparedness. Every single subway line in the city was stalled. A thousand straphangers were evacuated from 17 stuck trains. “We are BEYOND not ready for climate change,” a city-council member declared on Twitter.The pond in front of our house was whipped into waves by the wind. It was as sure a sign as any that we were living on borrowed time. But in the weeks that followed Ida, against our better judgment, we had Con Edison connect us to the gas line under the kettle in the street where the water gathers. We’d have preferred to heat the house with geothermal energy, but couldn’t find anybody yet trained to install it. At times, the house feels like a snare. I mean to say, if I remain embarrassed as a homeowner, it is not on account of the pond.Just as remarkable as the pond out front is the garden out back. Down on my knees with my hands in the soil, I weed and tend the beds. My mother has given me a Lenten rose. It is the first thing to bloom in spring. I marvel at the shoots coming up from the bulbs planted before me by Mary, wife of Jeremiah, whose name was not on the deed but was told to me by our neighbor Eve. Daffodils, peonies, hyacinths, and tulips.I live in Lenapehoking, the unceded territory of the Lenape people, past and present. Generations before we bought this land, it was stolen. I believe we have a responsibility to honor them by becoming better stewards of the land we inhabit. I want these words to be more than words; I want them to be deeds.I’m learning to grow food for our table, sensing that the truest sacrament is eating the earth’s body. I have planted lettuce, tomatoes, sweet peas, and beets. I collect water in a barrel under the gutter spout. I see that our land is a quilt; that our house is only a structure among structures among pollinating plants visited by bees.The pond is part of the place where we live. To prevent stagnation, I sometimes stir it with a stick. Through the front windows, I watch it swell when it rains. I observe the birds who stop there to bathe: warblers, tanagers, grosbeaks, sparrows. Some of them are endangered. A small reparation: I am teaching our children their names.This essay has been adapted from Emily Raboteau’s forthcoming book, Lessons for Survival: Mothering Against “The Apocalypse.”

Would the house be around to bequeath to our children, or would it be underwater?

I can’t talk about our house in the Bronx without telling you first about the pond out front. Given how much worse flooding can be elsewhere in New York City—even just two blocks to the east along the valley of Broadway, where the sewer is always at capacity—not to mention elsewhere in the world, I’m embarrassed to gripe about my personal pond. These days, such bodies of water are everywhere. Mine is not the only pond, but merely the pond I can’t avoid.

The pond dilates and contracts according to water levels. After a string of dry days, it may shrink to a puddle. After a storm, it may stretch to the length of a freight car, spilling into the middle of the street. It’s bad for curb appeal. Its sources are environmental, structural, and complex. On the rare occasion the pond dissipates, it leaves behind a residue like black mayonnaise.

The pond is almost always there. Our region is getting wetter as the climate changes. More rain, more storms, more often. The infrastructure of our city, at the edge of the rising sea, isn’t fit to handle so much water. Sudden, torrential downpours overwhelm our outdated drainage systems, especially at high tide; drench the subway system; and, in some low-lying places nearby, turn streets into sewers and basements into death traps.

In summer, the pond breeds mosquitoes and collects litter: cigarette butts, scratched-off lotto tickets. In winter, I worry the pond will become a slipping hazard. This is what I say when dialing 311, the city’s helpline, in hopes of remediation. An elderly neighbor could slip on the ice and break a bone. The pond could collapse into a sinkhole.

Tell it to the DOT, lady, says the Department of Environmental Protection. I do. Nope, says the Department of Transportation; because of the tree, this is a problem for Parks. I follow up. Weeks pass. The Department of Parks and Recreation directs me to the Department of Health. Months pass. What you need to do for ponding, says the DOH, is try the DEP. I write to my city-council member: I’m being given the runaround. Weeks pass without reply. Surely, this wouldn’t happen in the rich neighborhood up the hill. As a city worker myself, I know this dance well—this absurd, disjointed roundelay.

[Olga Khazan: Why can’t I just rent a house? ]

I ruminate over the pond. It has caused me not just embarrassment but shame. It has turned me scientific, made me into a water witch. I understand that the pond is beyond the scope of any one person, or any one agency, to handle, and that it’s perilous to ignore. The pond is a dark mirror; in it, our house appears upside down, distorted. It reflects deeper problems of stewardship and governance and the position of our house in relation to both. We are privileged to own a home. Yet we live on land that will drown, that is inundated already. The pond is a portal. Sometimes it smells, this vent hole of the netherworld. Beneath its surface, something lies concealed. Given the fact of the pond, why did we buy the house? Now that we dwell in the house, what to do about the pond?

Technically, the pond isn’t on our property at all. Our home inspector had no reason to suspect it. It belongs to the city, along with the street where it spreads. This is what we were told on the rainy day we arrived for the final walk-through before closing on the house in the deadly spring of 2020: The pond was up to the city to fix, with taxpayer dollars.

Plenty of folks were deserting New York then. I mean hundreds of thousands. That we were committed to staying in the city was both an act of necessity and a point of pride. For my husband and I, the house was a step up from the crowded three-room apartment in Washington Heights where we’d sheltered in place, away from the mad snarl of highways whose traffic had given our boys asthma: a place to stretch out, a sign of our upward mobility. The American dream. To a Black family without generational wealth, some of whose ancestors were property themselves, it signified even more: Shelter. Safety. Equity. Arrival. A future for our children.

We fell in love with the house as soon as we saw it, a run-down detached brick home in a working-class neighborhood with a little garden in back and windows on all four sides. The house had solid bones. We rejoiced when our offer was accepted. Yet until the day of the final walk-through, we had never visited the house in the rain.

That morning, the pond greeted us like the opposite of a welcome mat, giving shape to whatever latent misgivings we had about making this move. I felt hoodwinked. Buyer beware! I waded into the middle of that bad omen to gauge its depth. Murky water sloshed over the tops of my rain boots, drenching my socks. Good Lord. It was so much more significant than a puddle. I wondered what it was, how to name it, and why it was here. Was what I stood on actually land, or something less concrete? Could it have been a wetland, once? Why hadn’t the pond been disclosed? Because it didn’t have to be, said the tight-lipped seller’s agent representing the estate of the previous owner, an old man named Jeremiah Breen.

That night, my husband and I lay awake in bed, discussing our options. Sirens sounded up from the street. People were dying of COVID all around us. Purportedly, the house sat outside the floodplain. But what if the pond got bigger with worsening weather? Would it pour into the basement? Was the house’s foundation as solid as we’d been told? We doubted that the city would handle the underlying issues—not while hobbled by the pandemic. Would flood insurance be enough? Would the house be around to bequeath to our children, or would it be underwater? Was it an asset or a millstone? How high would the waters rise? How soon? Did we even believe, deep down in our souls, of ownership of this kind? Why fake like we or anyone else could own the land?

Such questions of capital consumed us deep into the night. The bottom line was this: If we pulled out of the deal, we’d lose our down payment, amounting to two years of college tuition for one of our kids. By dawn, we admitted our disillusionment. We’d already crossed the Rubicon, imbricated in the twisted system that brought about the pond. Or so we said because nevertheless, we still loved the house.

We renegotiated the purchase price; we moved in.


Later, I learned that many current maps for flood risk overlap with maps of historic housing discrimination. Geography determines a neighborhood’s risk and, this being America, so does race. Neighborhoods that suffered from redlining in the 1930s—when our house was built—face a far higher risk of flooding today. The pond suggested a submerged history beneath the daily surface of things.

The house was not just a risk but a wreck. Its rusty tanks sweated out oil that looked like blood onto the basement floor. Most of its windowpanes were cracked; its floors, uneven; its doors, out of plumb. It lacked adequate insulation. Under the creaky old planks, we discovered a newspaper dating back to the Depression. The front page addressed the use of antiques in home decoration. It featured a photo of a card room with an 18th-century Queen Anne table being used for bridge. How far back could I imagine? The paper flaked into pieces like the wings of moths when I tried to turn the page.

By the time Jeremiah Breen took possession of the house, bridge had fallen out of fashion. At the time the table was carved, this part of the Bronx was marsh. When I input our zip code into the online archive of the U.S. Geological Survey, I can see on a century-old map what this wetland looked like before it was developed into the grid of streets, shops, houses, schools, and apartment buildings that make up the neighborhood now. In 1900, the land is still veined by blue streams. A pin in the shape of a teardrop marks the spot of our present address, smack-dab in a bend of a waterway called Tibbetts Brook. The brook was named after a settler whose descendants were driven off the land for their royalist sympathies during the Revolutionary War. Before that, it had another name. The Munsee Lenape called it Mosholu. We live on the ghost of this rivulet, just one of the city’s dozens of lost streams.

[Hannah Ritchie: A slightly hotter world could still be a better one]

The teardrop confirmed what I sensed about the true nature of my pond, which was so much more than a puddle, and not mine at all, but rather a part of a much larger body of water.

Waterways like Tibbetts Brook were once the lifeblood of the city. As New York grew, in the 17th and 18th centuries, into the world’s supreme port, it counted on such freshwater streams for transportation, drinking water, fishing, and waterpower for grain mills and sawmills. The brook became polluted; eventually, railroad lines overtook waterways as transportation routes. Waterpower was replaced by steam. Steam was replaced by electric power. The banks of the streams became industrial wastelands, which became Black and brown neighborhoods. Plundered water bodies. Plundered peoples.

The works of Eric Sanderson, a landscape ecologist, and Herbert Kraft, a scholar of the Lenape, help me imagine a preindustrial, pre-European version of my home place. The Wiechquaeseck community of Lenape lived in a settlement nearby, around Spuytin Duyvil Creek, fed by the waters of Mosholu. They lived mostly out of doors and owned no more than they could carry. Wealth was being in communion with one another, and in balance with the abundant natural world, “filled with an almost infinite variety of plants, animals, insects, clouds and stones, each of which possessed spirits no less important than those of human beings,” according to Kraft.

All I have to do to see a remaining pocket of that natural world that was once my home is walk three blocks east to Van Cortlandt Park, where a narrow belt of lowland swamp forest still survives along a trail around open water. This small freshwater wetland is ecologically precious, home to many plant and animal species. It slows erosion, prevents flooding by retaining stormwater, filters and decomposes pollutants, and converts carbon dioxide into oxygen.

Hunting the swamp are barred owls and red-tailed hawks. Water lilies, swamp loosestrife, and arrowhead each grow at different water depths, thickening the open water by midsummer. Mallards and wood ducks feed, nest, preen, and glide among dense strands of cattail, buttonbush, arrow arum, and blue flag. Eastern kingbirds and belted kingfishers screech from the treetops while painted turtles sun themselves on the lodges of muskrats. These, too, are my neighbors.

The Van Cortlandt Swamp is fed by Tibbetts Brook, before the brook divides down into the concrete conduit, its tail buried. This little swamp is a patch of the 2,000 acres of freshwater wetland remaining in the city today, out of the 224,000 acres it boasted 200 years ago.

“All water has a perfect memory and is forever trying to get back where it was,” Toni Morrison once wrote. From that point of view, the pond in front of our house is not a nuisance but rather the brook remembering itself. Mosholu. How might Thoreau have described my pond? The pond is a gift to the birds who stop there to bathe, and a place for wildlife to slake their thirst at night: possum, coyote, skunk. The pond is a lieu de mémoire, a reservoir. When the sun hits it at the right angle, the pond’s surface dances with jewels of light. When night comes, the pond throws back the orange glow of the streetlight. The pond is the paved-over wetland, reasserting its form.

The Lenape believed that everything in nature has a spirit, and should be given thanks, and asked permission before taking from it. I doubt Jacobus Van Cortlandt, landowner, enslaver, and mayor of New York, asked permission when he had the Black people he owned dam up Tibbetts Brook in 1699 to install a sawmill and gristmill on his plantation. Some of the skeletons of those he enslaved were unearthed by construction workers laying down railroad tracks in the 1870s. The mill operated until 1889, when the city purchased the land for its park. At that point, the millpond became a small, decorative lake. Sometimes I walk to this lake, next to the African burial ground, to watch the damselflies and contemplate what lies beneath.

At the lake’s south end, in 1912, the brook was piped into a storm drain and rechanneled into an underground tunnel that merged into a brick sewer below Broadway. This enabled the construction of streets and buildings south of the park, including our house, on top of backfill and city trash. What does it mean to live in a place where rivers are harnessed to carry our waste away, so we don’t have to think about it?

According to the Department of Environmental Protection, 4 million to 5 million gallons of water flow into the Broadway sewer on a dry day from Tibbetts Brook and the millpond alone. That water runs through the sewer, where it mixes with raw household sewage, and then on to Wards Island Wastewater Treatment Plant. But when it rains, the amount of water can be five times that. At least 60 times a year, the treatment plant gets overwhelmed by rainwater and shuts down. Untreated sewage and rainwater are then discharged into the Harlem River, in violation of federal law.

Now there are plans to “daylight” the subterranean stretch of Tibbetts Brook, bringing it back to the surface. This restoration will alleviate flooding by rerouting the buried section of the brook directly into the Harlem River, not exactly along its historic route, upon which our house sits. Instead, it will flow slightly to the east, along an old railway line that accidentally reverted to an urban wetland after the freight trains stopped running in the 1980s. This gully runs behind BJ’s Wholesale Club and the strip mall with the nail salon and the Flame hibachi and the Staples—already rewilding with tall marsh grasses and reeds.

There is talk of undoing the past, of giving some of what was taken from nature back to nature. There is talk of a bike path along a greenway costing millions of dollars. If the project comes to pass by 2030 as planned, it will be New York City’s first daylighting story, and we will be in the watershed. Unburying the brook seems like a good thing. I hope, when it beautifies the landscape, that my neighbors can still afford to live here.


We were still living out of boxes in early September 2021 when the National Weather Service declared New York City’s first flash-flood emergency. Our boys were by then 8 and 10. More than three inches of rain fell in just one hour, shattering a record set by a storm the week before. Was it even correct to call it a 500-year rainfall event when the past had become such a poor guide to the present? The remnants of Hurricane Ida turned the nearby Major Deegan Expressway back into a river, stranding cars, buses, and trucks in high water. That image, from our new neighborhood, became an international symbol of the city’s unpreparedness. Every single subway line in the city was stalled. A thousand straphangers were evacuated from 17 stuck trains. “We are BEYOND not ready for climate change,” a city-council member declared on Twitter.

The pond in front of our house was whipped into waves by the wind. It was as sure a sign as any that we were living on borrowed time. But in the weeks that followed Ida, against our better judgment, we had Con Edison connect us to the gas line under the kettle in the street where the water gathers. We’d have preferred to heat the house with geothermal energy, but couldn’t find anybody yet trained to install it. At times, the house feels like a snare. I mean to say, if I remain embarrassed as a homeowner, it is not on account of the pond.

Just as remarkable as the pond out front is the garden out back. Down on my knees with my hands in the soil, I weed and tend the beds. My mother has given me a Lenten rose. It is the first thing to bloom in spring. I marvel at the shoots coming up from the bulbs planted before me by Mary, wife of Jeremiah, whose name was not on the deed but was told to me by our neighbor Eve. Daffodils, peonies, hyacinths, and tulips.

I live in Lenapehoking, the unceded territory of the Lenape people, past and present. Generations before we bought this land, it was stolen. I believe we have a responsibility to honor them by becoming better stewards of the land we inhabit. I want these words to be more than words; I want them to be deeds.

I’m learning to grow food for our table, sensing that the truest sacrament is eating the earth’s body. I have planted lettuce, tomatoes, sweet peas, and beets. I collect water in a barrel under the gutter spout. I see that our land is a quilt; that our house is only a structure among structures among pollinating plants visited by bees.

The pond is part of the place where we live. To prevent stagnation, I sometimes stir it with a stick. Through the front windows, I watch it swell when it rains. I observe the birds who stop there to bathe: warblers, tanagers, grosbeaks, sparrows. Some of them are endangered. A small reparation: I am teaching our children their names.

This essay has been adapted from Emily Raboteau’s forthcoming book, Lessons for Survival: Mothering Against “The Apocalypse.”

Read the full story here.
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The Water Came From Nowhere': Settlements, Hotels and Farms Flooded in Kenya’s Rift Valley

Dickson Ngome's farm at Lake Naivasha in Kenya's Rift Valley has been submerged due to rising water levels

NAIVASHA, Kenya (AP) — When Dickson Ngome first leased his farm at Lake Naivasha in Kenya’s Rift Valley in 2008, it was over 2 kilometers (1.2 miles) from shore. The farm was on 1.5 acres (0.6 hectares) of fertile land where he grew vegetables to sell at local markets.At the time, the lake was receding and people were worried that it might dry up altogether. But since 2011, the shore has crept ever closer. The rains started early this year, in September, and didn't let up for months.One morning in late October, Ngome and his family woke up to find their home and farm inside the lake. The lake levels had risen overnight and about a foot of water covered everything.“It seemed as if the lake was far from our homes,” Ngome’s wife, Rose Wafula, told The Associated Press. “And then one night we were shocked to find our houses flooded. The water came from nowhere.” Climate change caused increased rains, scientists say The couple and their four children have had to leave home and are camping out on the first floor of an abandoned school nearby.Some 5,000 people were displaced by the rise in Lake Naivasha’s levels this year. Some scientists attribute the higher levels to increased rains caused by climate change, although there may be other factors causing the lake’s steady rise over the past decade.The lake is a tourism hot spot and surrounded by farms, mostly growing flowers, which have gradually been disappearing into the water as the lake levels rise.Rising levels have not been isolated to Naivasha: Kenya’s Lake Baringo, Lake Nakuru and Lake Turkana — all in the Rift Valley — have been steadily rising for 15 years. “The lakes have risen almost beyond the highest level they have ever reached,” said Simon Onywere, who teaches environmental planning at Kenyatta University in Kenya’s capital Nairobi. Rising lake levels displaced tens of thousands A study in the Journal of Hydrology last year found that lake areas in East Africa increased by 71,822 square kilometers (27,730 square miles) between 2011 and 2023. That affects a lot of people: By 2021, more than 75,000 households had been displaced across the Rift Valley, according to a study commissioned that year by the Kenyan Environment Ministry and the United Nations Development Program.In Baringo, the submerged buildings that made headlines in 2020 and 2021 are still underwater.“In Lake Baringo, the water rose almost 14 meters,” Onywere said. “Everything went under, completely under. Buildings will never be seen again, like the Block Hotels of Lake Baringo.” Flower farms taking a beating Lake Naivasha has risen steadily too, “engulfing three quarters of some flower farms,” Onywere said.Horticulture is a major economic sector in Kenya, generating just over a billion U.S. dollars in revenue in 2024 and providing 40% of the volume of roses sold in the European Union, according to Kenya’s Ministry of Foreign Affairs.Significant research has gone into the reasons behind the rising lakes phenomenon: A 2021 study on the rise of Kenya’s Rift Valley lakes was coauthored by Kenyan meteorologist Richard Muita, who is now acting assistant director of the Kenya Meteorological Department.“There are researchers who come up with drivers that are geological, others with reasons like planetary factors,” Muita said. “The Kenya Meteorological Department found that the water level rises are associated with rainfall patterns and temperature changes. When the rains are plentiful, it aligns with the increase in the levels of the Rift Valley lake waters.”Sedimentation is also a factor. “From the research I have read, there’s a lot of sediment, especially from agricultural related activities, that flows into these lakes,” says Muita. ‘A mess’ made by the government years ago Naivasha’s official high water mark was demarcated at 1,892.8 meters (6,210 feet) above sea level by the Riparian Association in 1906, and is still used by surveyors today. That means this year’s flooding was still almost a meter (3 feet) below the high mark.It also means that the community of Kihoto on Lake Naivasha where the Ngomes lived lies on riparian land — land that falls below the high water mark, and can only be owned by the government.“It’s a mess established by the government … towards the late 1960s,” said Silas Wanjala, general manager of the Lake Naivasha Riparian Association, which was founded some 120 years ago and has been keeping meticulous records of the lake’s water levels since.Back then, a farmer was given a “temporary agricultural lease” on Kihoto, said Wanjala. When it later flooded and the farmer packed up and left, the farmworkers stayed on the land and later applied for subdivisions, which were approved. In the 60-odd years since, a whole settlement has grown on land that is officially not for lease or sale. This also isn’t the first time it’s been flooded, said Wanjala. It's just very rare that the water comes up this high. That’s little consolation for the people who have been displaced by this year’s floods and now cannot go home without risking confrontations with hippopotamuses.To support those people, the county is focusing its efforts on where the need is greatest.“We are tackling this as an emergency," says Joyce Ncece, chief officer for disaster management in Nakuru County, which oversees Lake Naivasha. “The county government has provided trucks to help families relocate. We have been helping to pay rent for those who lack the finances.”Scientists like Onywere and Muita are hoping for longer-term solutions. “Could we have predicted this so that we could have done better infrastructure in less risk-prone areas?” Onywere said.Muita wants to see a more concerted global effort to combat climate change, as well as local, nature-based solutions centered on Indigenous knowledge, such as “conservation agriculture, where there is very limited disturbance of the land,” to reduce sedimentation of the lakes.But all of this is of little help to Ngome and Wafula, who are still living at the school with their children. As the rest of the world looks forward to the holidays and new year, their future is uncertain. Lake Naivasha’s continuous rise over the past 15 years does not bode well: They have no idea when, or if, their farm will ever be back on dry land. The Associated Press receives financial support for global health and development coverage in Africa from the Gates Foundation. The AP is solely responsible for all content. Find AP’s standards for working with philanthropies, a list of supporters and funded coverage areas at AP.org.Copyright 2025 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.Photos You Should See – December 2025

A damaged King County levee awaited fixes for years. Then it failed

As an atmospheric river slammed into the Pacific Northwest, water burst through a damaged levee in Washington.

As rainfall inundated the Pacific Northwest this month, swelling the region’s rivers to record levels, the Desimone levee seemed destined to fail.Severe flooding in 2020 had damaged the 2.2-mile earthen barrier near Tukwila. Muddy waters from the Green River bubbled up on the opposite side and seeped into nearby properties. A King County report months later described the levee’s weakened state as the “most important issue” on the river’s lower reach.The years that followed were filled with red tape and bureaucratic infighting among the agencies most responsible for the region’s levee system: King County, its flood control district and the U.S. Army Corps of Engineers. All the while, cities in the flood plain clamored for help, and the Desimone awaited repair.Construction was set to begin this summer, but the Corps pulled out of the work in January, revoking promised federal funding and setting the project back years, according to interviews and public records obtained by The Seattle Times.Reagan Dunn, chair of the district’s advisory committee and a Metropolitan King County Council member, described a pattern of “tension” between the flood control district and the Corps.This month’s back-to-back atmospheric rivers pushed the levee system like never before. The Desimone was the first of two to fail.Earlier in the series of storms, water had once again begun to seep through Desimone’s earthen barrier, which shields a mostly commercial and industrial hub in Tukwila. On Monday, the river tore its way through, sparking a widespread evacuation. Officials feared the ensuing flash flood might be deadly. Workers plugged the hole quickly. Knowing the levee’s risk, they had already been watching the site for days. No injuries were reported in the breach.The patchwork nature of repairs at Desimone, and levees like it, illuminates the growing challenge of protecting Western Washington communities from flooding worsened by climate change.For generations, Washington has relied on levees as a simple solution to a complex problem, said Alan Hamlet, a former Seattle resident and scientist who now works as an associate professor of civil and environmental engineering at the University of Notre Dame. Explosive growth behind them has combined with an overarching desire to spend the minimum required for flood protection, he said. That often means deferring costlier long-term maintenance, mitigation and upgrades of these emergency barriers in favor of more pressing needs. This has resulted in higher risks for the very communities the levees were designed to protect.The state, and much of the country, stands at the nexus of that growth behind the walls of inadequate infrastructure to keep natural disasters at bay, Hamlet said.“Put all those things together and you have a hidden crisis that is going to begin to express itself more and more frequently,” Hamlet said.The 18-year-old King County Flood Control District shuffles its priority levees based on disrepair that changes with the weather. The district has started to plan for the long term, but in its earliest years, it focused on inexpensive and easy fixes in high-risk areas, Dunn said.“In other words, low-hanging fruit,” he said.Flooding in Washington state 2025Bureaucratic tangleThe Desimone levee has been damaged and repaired multiple times over the past six decades. Most recently, years of disagreements among agencies dragged out Desimone’s renovation.The flood control district asked the Corps to step in not long after the 2020 flood. High waters in the Green River then had not only left water seeping through the levee in at least three places, but also bubbling up from underneath.Federal officials agreed to spearhead a plan to repair the levee and cover 80% of the cost. It proposed estimates up to $16.6 million for a project focused solely on restoring the levee to its preflood condition, records show.Such is frequently the case for levee systems nationwide, Hamlet said. Restoring them to their original condition is typically less expensive and complicated. Expanding them or exploring other options takes more time, money and political will.But the flood district wanted more for Desimone: a design that would fix the damage and relieve water pressure further by setting the levee back, restoring some of the river’s natural bank. It was projected to cost the district about $30 million.The district’s plan would take longer and cost more but reduce long-term risks, said Michelle Clark, the district’s director. “We want to do a bigger project so that we’re not coming back to do more repairs.”The flood control district handles planning, but the project hinged on King County finding land along the river for the new work, records show. But it fell short.These types of repairs are more complicated than they might seem, Hamlet said. Strengthen a levee in one place, and you’ll send floodwaters careening into another. Set a levee back from the river, or remove one to restore a flood plain, and first you have to clear out any homes or businesses already there. These structures aren’t the only way to hold back floodwaters, but in many places, they’re the system that’s already there.A failed dealThe Corps worked in fits and starts, at one point in 2022 halting its involvement due to staffing challenges. Even when the county made headway securing land, the Corps said it had used the wrong language in the agreements. At the same time, the county accused the Corps of clerical errors that dragged out the planning process, according to county records.The county — officials for which said they were unable to immediately comment, citing the ongoing flood emergency — was confident it could secure the land, just not on schedule, according to a county brief from April. It proposed breaking ground in 2026 instead.Citing the county’s “inability” to provide the needed land along the highly developed and industrial area, the Corps backed out of the agreement in a January letter.“We have been pushing them since 2020,” Clark said. “And it’s frustrating.”The Corps “worked diligently with King County” but couldn’t move forward without land for construction, the agency wrote in an email to The Times. Levee rehabilitation can be “complex,” it added. “The federal process, sponsor timelines and real estate actions do not always align well, but we are committed to finding a solution when possible,” the agency wrote.Abandoned by the Corps, the county and its partner cities faced their biggest setback, Clark said.Everybody blamed each other as the flood season approached.Concerns heightened after the Corps pulled its support. In July, city leaders from Tukwila, Kent and Renton asked the flood district to more immediately prioritize the levee repair project.Tukwila officials declined to comment, and Kent and Renton officials did not respond to a request for comment by publication time.As the fall rains approached — and without significant improvements on the levee — officials from Tukwila, Kent, King County and the Corps of Engineers spoke in late October to review the contingency plan in case the structure failed, according to Tukwila city records. They walked the levee bank to flag logistical challenges and clarified roles and responsibilities in case of an emergency.The Corps passed along its nearly complete project design for the Desimone levee, according to its January letter to the district. But without the federal government to offset the cost, the county’s grand plan was too pricey. The district has years of research and $25 million set aside for the levee repairs, but it might not be enough, Clark said; it needs to prepare options before it can move forward with a plan.The King County Flood Control District is now, in many ways, exactly where it was in 2020: waiting for the water to recede, preparing to assess the damage and on the verge of once again planning how to fix the Desimone.--Conrad Swanson and Lulu Ramadan© 2025 The Seattle Times. Visit www.seattletimes.com. Distributed by Tribune Content Agency, LLC.

UK’s largest proposed datacentre ‘understating planned water use’

Analysis suggests consumption at Northumberland site could be 50 times higher than US operator QTS estimatesThe UK’s largest proposed datacentre is understating the scale of its planned water use, according to an analysis.The first phase of construction for the hyperscale campus in Cambois in Northumberland has been given the go-ahead by the local council. The US operator QTS, which is developing the site, has promoted its “water-free” cooling system as proof of its sustainability. Continue reading...

The UK’s largest proposed datacentre is understating the scale of its planned water use, according to an analysis.The first phase of construction for the hyperscale campus in Cambois in Northumberland has been given the go-ahead by the local council. The US operator QTS, which is developing the site, has promoted its “water-free” cooling system as proof of its sustainability.But research published this week calls that claim into question. A study of the power and water footprints of AI production by the data scientist Alex de Vries-Gao highlights the underestimated scale of indirect, or embedded, water consumption caused by datacentre operations.QTS estimates the two initial data halls will consume 2.3m litres of water annually, according to documents it submitted to Northumberland county council. Yet applying De Vries-Gao’s methodology to the electricity generation required for the site’s AI servers produces a figure more than 50 times higher, at 124m litres a year, according to analysis by Watershed Investigations and the Guardian.When all the 10 planned halls are operational, the Cambois campus could indirectly consume about 621m litres annually – equivalent to the average yearly use of more than 11,000 people.The company uses a closed-loop system, which typically reuses the same water repeatedly for cooling, but uses more energy to chill the machines. QTS says there will be no pressure on water supply for people in the north-east fromits direct datacentre operations.In a statement, QTS said: “Our power is typically carbon neutral and comes from a range of sources including wind, hydro, nuclear, tidal, etc. QTS does not control the quantity of any water utilised in the power generation process.”But according to De Vries-Gao, datacentre operators must acknowledge the water footprint linked to their massive energy demands, in the same way that power-intensive industries are held accountable for the carbon emissions generated by their electricity consumption.De Vries-Gao said: “The datacentre operator will be responsible for creating the power demand which leads to the consumption of this water. For the same reason, the greenhouse gas protocol already mandates disclosure of indirect emissions related to electricity consumption.”Another potentially understated problem is the air pollution from the datacentre from increased power generation and potential greater use of diesel generators than stated.In the US, researchers and environmental groups have sounded the alarm about worsening air quality as a result of growing emissions of fine particulate matter and nitrogen oxides (NOx) from the power plants and backup generators datacentres rely on. Increased emissions are a result of surging power demand to produce AI systems, according to a recent study. According to Shaolei Ren of the University of California, one of the study’s authors, the evidence connecting datacentre growth to harmful health outcomes from air pollution is already “very strong”.“What is missing is awareness and precise quantitative accounting. The critical gap is that we still do not know, in a transparent and systematic way, how much criteria air pollution data centres actually contribute at the local and regional levels,” Ren said.Common pollutants include ozone, fine particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide and lead, which damage human health and the wider environment.This pollution is not only the result of electricity generation from the grid. A proportion often comes from highly-polluting diesel generators, installed to ensure the nearly constant “uptime” demanded by the datacentre and AI industry.Once complete, the Cambois campus will rely on nearly 600 diesel generators for “backup” power – up to 58 per data hall. QTS estimates that regular testing of the system would mean running each generator for five hours a year.The generators have been designated as a backup power system to be used in emergencies if the grid fails. But in Virginia’s “datacentre alley”, a hub where QTS has a datacentre, regulators are considering expanding diesel generator use for planned outages, while environmentalists have warned of pressure to permit generators during grid stress.Julie Bolthouse from the Piedmont Environmental Council, a conservation organisation, said: “They are incrementally increasing under what circumstances they can run and de facto how frequently and how long they can run the thousands of generators we have permitted here in Virginia. Once the generators are in place it is only a matter of time before they use them.”The potential impact of this scenario playing out in Cambois could have negative effects on the local community’s health. Cambois primary school’s playground has been identified by QTS as directly affected by emissions from the generators.In a statement, QTS said: “Generators can occasionally be utilised on a temporary basis to bridge power needs while permanent connections are finalised, but the primary use of generators is for emergency backup purposes.“Diesel generators are not the main source of power for our datacentres. Generators are tested once a month for a short period of time for routine maintenance. Each data centre has a publicly available emissions limit and our normal operations are designed to stay well within those requirements. In the highly unlikely event of a complete grid outage in the UK, backup generators would run only for the duration of such grid outage and at reduced power. Regarding Virginia, QTS has zero control over our competitors.”

These giant sea reptiles lived in freshwater rivers, too

Scientists thought mosasaurs - giant sea reptiles - lived in oceans. But the discovery of fossils in North Dakota shows they may also have lived in freshwater. The post These giant sea reptiles lived in freshwater rivers, too first appeared on EarthSky.

Watch Melanie During of Vrije University in the Netherlands talk about mosasaurs in the late Cretaceous. Researchers found a tooth from a mosasaur in North Dakota that dates back 66 million years. The find suggests these giant sea reptiles lived in freshwater as well as oceans. Video via Genuine Rockstars (Dennis Voeten and Melanie During). EarthSky’s 2026 lunar calendar is available now. Get yours today! Makes a great gift. Mosasaurs were the apex predators of the sea during the late Cretaceous, 94 to 66 million years ago. But they also lived in freshwater habitats, such as rivers, according to a new study. Environmental changes during the late Cretaceous may have driven mosasaurs to adapt to freshwater areas in North America’s inland sea. Chemical analysis of a mosasaur tooth reveals a surprise Mosasaurs were giant aquatic reptiles that lived 94 to 66 million years ago. While T. rex was the dominant predator on land, mosasaurs were the apex predators of the sea. But scientists from Uppsala University in the Netherlands said on December 12, 2025, that they have new evidence showing mosasaurs also lived in freshwater, in inland rivers. Their diverse habitats suggest they were adapting to a changing environment. In 2022, researchers found a mosasaur tooth at an unexpected location in North Dakota. They recovered it from ancient river deposits alongside a T. rex tooth and the jawbone of a freshwater crocodile-like (or crocodilian) reptile. Plus, the area was known for its fossilized Edmontosaurus duck-billed dinosaurs. How did a seagoing mosasaur’s tooth end up in a freshwater river? In this new study, scientists found answers in the mosasaur’s tooth enamel. A chemical analysis of certain elements revealed that this mosasaur had, in fact, lived in freshwater, not salt water. The researchers published their study in the peer-reviewed journal BMC Zoology on December 12, 2025. Artist’s concept of a mosasaur in a river, having just caught a crocodilian. In this new study, scientists suggest that late Cretaceous mosasaurs could have lived in freshwater. Image via Christopher DiPiazza/ Uppsala University. These giant sea reptiles were apex water predators Mosasaurs were large swimming reptiles of the late Cretaceous, 94 to 66 million years ago. Scientists have found most of their fossils in marine deposits, therefore associating mosasaurs as sea creatures. Along with most dinosaurs, mosasaurs perished 66 million years ago, during the K-Pg extinction event. That’s when a massive asteroid crashed into our planet, causing the extinction of many species. Scientists think the tooth they studied came from a mosasaur of the genus Prognathodon. These creatures had bulky heads with sturdy jaws and teeth. The tooth was about 1.2 inches (30 mm) long. Therefore, based on what they knew about other, more complete mosasaur fossils, the researchers extrapolated the size of this individual to 36 feet (11 meters) in length. That’s about the size of a bus. Per Ahlberg, of Uppsala University in Sweden, is a paper co-author. He said: The size means that the animal would rival the largest killer whales, making it an extraordinary predator to encounter in riverine environments not previously associated with such giant marine reptiles. On the left, different views of the mosasaur tooth. On the right, an image of the T. rex tooth in the ground. The red rectangle shows the location where the mosasaur tooth was recovered. Image via During, M. A. D., et al./ BMC Zoology (CC BY 4.0). Probing the tooth enamel with isotope analysis For some elements, an atom has the same number of protons but a different number of neutrons. These different forms of an element are called isotopes. For example, carbon-12, carbon-13 and carbon-14 are three carbon isotopes. They all have six protons. But they also have six, seven and eight neutrons, respectively. The ratio of isotopes for an element can vary depending on the type of environment. In this study, the scientists looked at three elements: oxygen, strontium and carbon. They found there was more oxygen-16 in their mosasaur’s tooth enamel compared to mosasaurs found in marine environments. Therefore, they concluded, this animal lived in freshwater. Strontium isotope ratios also suggested the same. Melanie During of Vrije University in The Netherlands is the paper’s lead author. She said this about carbon isotope ratios they found: Carbon isotopes in teeth generally reflect what the animal ate. Many mosasaurs have low carbon-13 values because they dive deep. The mosasaur tooth found with the T. rex tooth, on the other hand, has a higher carbon-13 value than all known mosasaurs, dinosaurs and crocodiles, suggesting that it did not dive deep and may sometimes have fed on drowned dinosaurs. The isotope signatures indicated that this mosasaur had inhabited this freshwater riverine environment. When we looked at two additional mosasaur teeth found at nearby, slightly older, sites in North Dakota, we saw similar freshwater signatures. These analyses shows that mosasaurs lived in riverine environments in the final million years before going extinct. Melanie During prepares a sample of the mosasaur tooth for strontium isotope analysis. Via Melanie During/ Uppsala University. An ancient sea in North America During the late Cretaceous, an inland sea divided North America, separating the east and west sides of the continent. This sea is known as the Western Interior Seaway. The amount of freshwater entering this sea increased over time. As a result, the seawater gradually transformed from salt water to brackish water, and then to mostly fresh water. The scientists think that this created a halocline. In other words, salt water – which is heavier because of dissolved salts – formed a layer at the bottom of the sea. Meanwhile, the lighter freshwater sat on top of it. These giant sea reptiles might have lived in freshwater Ahlberg commented that their isotope analysis confirms the theory about halocline conditions in the Western Interior Seaway: For comparison with the mosasaur teeth, we also measured fossils from other marine animals and found a clear difference. All gill-breathing animals had isotope signatures linking them to brackish or salty water, while all lung-breathing animals lacked such signatures. This shows that mosasaurs, which needed to come to the surface to breathe, inhabited the upper freshwater layer and not the lower layer where the water was more saline. Late Cretaceous mosasaurs may have adapted to the changing salinity of the inland sea. During said: Unlike the complex adaptation required to move from freshwater to marine habitats, the reverse adaptation is generally simpler. The scientists cited modern examples of these adaptations. For instance, river dolphins live in freshwater but they’re descended from marine ancestors. The saltwater crocodile in Australia is able to move between freshwater rivers and the sea. Bottom line: Scientists used to think that mosasaurs were exclusively sea-dwellers. But new research suggests that North American late Cretaceous mosasaurs might have lived in freshwater. Source: “King of the Riverside”, a multi-proxy approach offers a new perspective on mosasaurs before their extinction Via Uppsala University Read more: Nanotyrannus, a T. rex mini-me, coexisted with the big guysThe post These giant sea reptiles lived in freshwater rivers, too first appeared on EarthSky.

2025’s AI boom caused huge CO2 emissions and use of water, research finds

Study’s author says society not tech companies paying for environmental impact of AI and asks if this is fairThe AI boom has caused as much carbon dioxide to be released into the atmosphere in 2025 as emitted by the whole of New York City, it has been claimed.The global environmental impact of the rapidly spreading technology has been estimated in research published on Wednesdaywhich also found that AI-related water use now exceeds the entirety of global bottled-water demand. Continue reading...

The AI boom has caused as much carbon dioxide to be released into the atmosphere in 2025 as emitted by the whole of New York City, it has been claimed.The global environmental impact of the rapidly spreading technology has been estimated in research published on Wednesdaywhich also found that AI-related water use now exceeds the entirety of global bottled-water demand.The figures have been compiled by the Dutch academic Alex de Vries-Gao, the founder of Digiconomist, a company that researches the unintended consequences of digital trends. He claimed they are the first attempt to measure the specific effect of artificial intelligence rather than datacentres in general as the use of chatbots such as OpenAI’s ChatGPT and Google’s Gemini soared in 2025.The figures show the estimated greenhouse gas emissions from AI use are also now equivalent to more than 8% of global aviation emissions. His study used technology companies’ own reporting and he called for stricter requirements for them to be more transparent about their climate impact.“The environmental cost of this is pretty huge in absolute terms,” he said. “At the moment society is paying for these costs, not the tech companies. The question is: is that fair? If they are reaping the benefits of this technology, why should they not be paying some of the costs?”De Vries-Gao found that the 2025 carbon footprint of AI systems could be as high as 80m tonnes, while the water used could reach 765bn litres. He said it was the first time AI’s water impact had been estimated and showed that AI water use alone was more than a third higher than previous estimates of all datacentre water use.The figures are published in the academic journal Patterns. The International Energy Agency (IEA) said earlier this year that AI-focused datacentres draw as much electricity as power-thirsty aluminium smelters and datacentre electricity consumption is expected to more than double by 2030.“This is yet more evidence that the public is footing the environmental bill for some of the richest companies on Earth,” said Donald Campbell, the director of advocacy at Foxglove, a UK non-profit that campaigns for fairness in tech. “Worse, it is likely just the tip of the iceberg. The datacentre construction frenzy, driven by generative AI, is only getting started.“Just one of these new ‘hyperscale’ facilities can generate climate emissions equivalent to several international airports. And in the UK alone, there are an estimated 100-200 of them in the planning system,” said Campbell.The IEA has reported that the largest AI-focused datacentres being built today will each consume as much electricity as 2m households with the US accounting for the largest share of datacentre electricity consumption (45%) followed by China (25%) and Europe (15%).The largest datacentre being planned in the UK, at a former coal power station site in Blyth, Northumberland, is expected to emit more than 180,000 tonnes of CO2 a year when at full operation – the equivalent to the amount produced by more than 24,000 homes.In India, where $30bn (£22.5bn) is being invested in datacentres, there are growing concerns that a lack of reliability from the National Grid will mean the construction of huge diesel generator farms for backup power, which the consultancy KPMG this week called “a massive … carbon liability”.Technology companies’ environmental disclosures are often insufficient to assess even the total datacentre impact, never mind isolating AI use, said De Vries-Gao. He noted that when Google recently reported on the impact of its Gemini AI, it did not account for the water used in generating the electricity needed to power it.Google reported that in 2024 it managed to reduce energy emissions from its datacentres by 12% due to new clean energy sources, but it said this summer that achieving its climate goals was “now more complex and challenging across every level – from local to global” and “a key challenge is the slower-than-needed deployment of carbon-free energy technologies at scale”.Google was approached for comment.

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