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California's first Black land trust fights climate change, makes the outdoors more inclusive

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Sunday, May 19, 2024

EMIGRANT GAP, Calif. —  Jade Stevens stands at the edge of a snowy cliff and takes in the jaw-dropping panorama of the Sierra.Peaks reaching more than a mile high form the backdrop to Bear Valley, a kaleidoscope of green pastures mixed with ponderosa pines, firs, cedars and oak trees.Stevens, 34, is well aware that some of her fellow Black Americans can’t picture themselves in places like this. Camping, hiking, mountain biking, snow sports, venturing to locales with wild animals in their names — those are things white people do.As co-founder of the 40 Acre Conservation League, California’s first Black-led land conservancy, she’s determined to change that perception. Darryl Lucien snowshoes near Lake Putt. The nonprofit recently secured $3 million in funding from the state Wildlife Conservation Board and the nonprofit Sierra Nevada Conservancy to purchase 650 acres of a former logging forest north of Lake Tahoe. It will be a haven for experienced Black outdoor lovers and novices alike.The land trust, almost by necessity, has both an environmental and a social mission, Stevens says as she leads a tour of the parcels straddling Interstate 80.The most obvious goal for the property is to help the state reach a target of protecting 30% of its open space by 2030 — as part of Gov. Gavin Newsom’s overall climate and conservation initiative.Given that Black Americans historically have not enjoyed equal access to national parks and wilderness recreation areas — and have often been deprived of the chance to steward large open spaces because of discriminatory land policies — the purchase carries immense cultural importance too.The group’s name derives from Union Gen. William T. Sherman’s unfulfilled promise to grant some emancipated slaves “40 acres and a mule” to help them start over after the Civil War.An avid cyclist, Stevens is part of a growing movement among environmentalists, outdoor enthusiasts and naturalists who believe that safeguarding the ecosystem, promoting wellness and confronting historical injustices go hand-in-hand. Although surveys show that Black people care as much about climate change and protecting the environment as other Americans, these issues aren’t necessarily top of mind in a era when racial strife, police violence and economic inequities command more attention. Lake Putt is the main attraction among the the 40 Acre League’s recently purchased parcels. How can you heed the call of the wild when life in your own backyard presents so many challenges? Stevens, a marketing professor at Cal State Dominguez Hills who lives in a historically Black neighborhood in Los Angeles — 385 miles to the south — can appreciate why some might feel this way.The 70-mile drive from Sacramento, the state capital, feels like a journey to another dimension, one where Black people make up only about 1% of the population. A Trump 2024 sign greets you upon leaving Sacramento’s suburbs and entering Placer County. Winding past Gold Rush-era towns, forests and rocky outcroppings, the elevation soon rises to 3,000 feet, 4,000 feet and finally 5,000 feet.At Emigrant Gap, Stevens sits at the edge of Lake Putt and smiles like a woman on top of the world. The lake is the main attraction among the conservancy’s parcels and it’s the body of water motorists see on the right as they head toward Nevada.The water is so still you can see a perfect reflection of the snow-capped ridges. Jade Stevens walks over a bridge in Emigrant Gap. This is also an ideal spot for Stevens to envision all that the 40 Acre group wants to do on this land, from helping to protect species such as southern long-toed salamanders and foothill yellow-legged frogs to helping humans who don’t see themselves as nature or wildlife lovers develop a new appreciation for California’s fragile ecosystem.“These plants, everything here, they all rely on each other,” she says. “I haven’t brought my family out here yet, but just from them seeing what I’m doing, it’s already sparking conversation.”Trudging in snowshoes alongside Stevens is Darryl Lucien, an attorney for the 40 Acre group who has acted as a liaison between the nonprofit and officials in local and state government.The land trust isn’t as disconnected from Black Californians as some might think, Lucien says. Next to the lake, a spillway flows into a stream that the Department of Water Resources refers to as Blue Canyon Creek. Blue Canyon Creek runs through land recently purchased by the 40 Acre Conservation League, California’s first Black-led land conservancy. Waters from Blue Canyon Creek eventually flow into the North Fork of the American River, then the Sacramento River, and then the California delta, where some flows will be channeled into the State Water Project, “which eventually finds its way down to Los Angeles,” Lucien says. A look of racial pride washes over Lucien, 38, when he contemplates the possibility that these waters might reach the homes of Black Angelenos.“Little do they know their water starts on Black land,” he says. “You’re standing at the source, baby.”It has been less than a year since state Assemblymember Mike Gipson, a Democrat from South L.A. County and an early champion of the nonprofit, presented the group with a check to purchase the land. The planned habitat restoration will take time, but Stevens already has other big ideas. Gazing across the lake to the southern shore, Stevens sees a location for a nature center that can hold environmental education classes and double as a rentable lodge for gatherings. She daydreams about installing a pier for fishing, lookout points along the shore and adult treehouses for glamping among conifers so tall they don’t fit in a camera’s viewfinder. Just beyond the southern shore there are old timber-company clearings which could someday be converted into trails that hikers can use to reach the adjacent Tahoe National Forest.“This is an area where a lot of community building will take place,” Stevens says. “We’re hoping that everyone finds at least one thing that makes them feel welcome on this property.” The 40 Acre Conservation League has secured $3 million in funding from the state Wildlife Conservation Board and the nonprofit Sierra Nevada Conservancy to purchase 650 acres of a former logging area north of Lake Tahoe. “Welcome” is not a word that has historically greeted Black people in the nation’s rural spaces and wilderness parks, says KangJae “Jerry” Lee, a social and environmental justice researcher and assistant professor in the University of Utah’s Department of Parks, Recreation and Tourism.Lee notes the irony that most Black Americans descend from enslaved Africans who were stolen from their homelands specifically for their expertise in land stewardship and farming. Engaging with the outdoors was anything but a foreign concept.“Some of them had better skill sets than the European colonists,” Lee says. Black people built whole towns in the Great Plains and the West — including Allensworth, in Tulare County — though many were overrun by white mobs, seized or suffered decline due to a lack of equal access to resources such as water. Some of the first rangers stationed at Yosemite and Sequoia national parks were Black, yet the reality is that the national park system was originally designed as way for white visitors to enjoy nature’s splendor, Lee says.In response, Black-owned resorts catering to an African American clientele sprang up in the early 20th century — including in Val Verde, a “black Palm Springs” an hour’s drive north of Los Angeles; at Lake Elsinore near Riverside; and at Manhattan Beach.The parks ostensibly welcome all today, but studies show that Black Americans are among the least likely of any racial group to visit them.“Black people inherently had a deep, deep connection to the land,” Lee says.”That relationship has been severed over centuries.” Stevens reflects on this painful history as she talks about the group’s plan to acquire other lands throughout California, including open spaces closer to L.A. Recreation and conservation aren’t the only imperatives at Emigrant Gap.Stevens pulls out a copy of a handwritten letter she received from a Black man from L.A. who is an inmate at San Quentin. He saw a TV report about the land purchase and felt inspired by its mission. He writes about how exposure to nature and recreation can help steer Black and brown teens away from gangs and violence, and out of the criminal justice system. Stevens agrees.The property will be a small-business incubator too. The nonprofit intends to help Black and brown entrepreneurs develop sustainable, outdoor-oriented ventures such as hiking excursions — fostering generational wealth in the process.“How we get back to this truth of appreciating nature, being connected to the outdoors, is our story to tell,” Stevens says.One local ally wants to help the group shift the narrative around Black people and nature — Cindy Gustafson, who sits on the Placer County Board of Supervisors. Gustafson also serves on the Sierra Nevada Conservancy, which awarded the league $750,000 to help purchase the land. The 40 Acre League’s Jade Stevens, left, and Darryl Lucien walk along an earthen dam at Lake Putt. Gustafson, who is white, appreciates the league’s desire to help Northern Californians manage forested lands, which have been devastated in recent years by deadly and costly wildfires. Fires have grown more and more severe due to rising global temperatures, posing a greater risk to flora, fauna and residents in cities and rural areas alike. “Many of us haven’t had the experiences or the background to understand the nature of these forests and how important they are to our climate, our environment,” Gustafson says. “Having new stewards is really important, as is diversity. It’s a sign of hope for me in these divisive times. ... Taking care of this land takes us all.”Stevens seems undaunted by the challenge of persuading reluctant Black Californians to view Emigrant Gap as a setting where they can celebrate their culture while learning about the ecosystem.Her pitch is a simple one:“Here,” Stevens says, “you’re safe.”

The 40 Acres Conservation League is on a mission to establish an open space where Black Californians and other people of color can feel at home in nature.

EMIGRANT GAP, Calif. — 

Jade Stevens stands at the edge of a snowy cliff and takes in the jaw-dropping panorama of the Sierra.

Peaks reaching more than a mile high form the backdrop to Bear Valley, a kaleidoscope of green pastures mixed with ponderosa pines, firs, cedars and oak trees.

Stevens, 34, is well aware that some of her fellow Black Americans can’t picture themselves in places like this. Camping, hiking, mountain biking, snow sports, venturing to locales with wild animals in their names — those are things white people do.

As co-founder of the 40 Acre Conservation League, California’s first Black-led land conservancy, she’s determined to change that perception.

A man snowshoes in a forest.

Darryl Lucien snowshoes near Lake Putt.

The nonprofit recently secured $3 million in funding from the state Wildlife Conservation Board and the nonprofit Sierra Nevada Conservancy to purchase 650 acres of a former logging forest north of Lake Tahoe. It will be a haven for experienced Black outdoor lovers and novices alike.

The land trust, almost by necessity, has both an environmental and a social mission, Stevens says as she leads a tour of the parcels straddling Interstate 80.

The most obvious goal for the property is to help the state reach a target of protecting 30% of its open space by 2030 — as part of Gov. Gavin Newsom’s overall climate and conservation initiative.

Given that Black Americans historically have not enjoyed equal access to national parks and wilderness recreation areas — and have often been deprived of the chance to steward large open spaces because of discriminatory land policies — the purchase carries immense cultural importance too.

The group’s name derives from Union Gen. William T. Sherman’s unfulfilled promise to grant some emancipated slaves “40 acres and a mule” to help them start over after the Civil War.

An avid cyclist, Stevens is part of a growing movement among environmentalists, outdoor enthusiasts and naturalists who believe that safeguarding the ecosystem, promoting wellness and confronting historical injustices go hand-in-hand.

Although surveys show that Black people care as much about climate change and protecting the environment as other Americans, these issues aren’t necessarily top of mind in a era when racial strife, police violence and economic inequities command more attention.

Clouds hover over a bright blue lake surrounded by evergreens. Snowy mountains rise in the background.

Lake Putt is the main attraction among the the 40 Acre League’s recently purchased parcels.

How can you heed the call of the wild when life in your own backyard presents so many challenges? Stevens, a marketing professor at Cal State Dominguez Hills who lives in a historically Black neighborhood in Los Angeles — 385 miles to the south — can appreciate why some might feel this way.

The 70-mile drive from Sacramento, the state capital, feels like a journey to another dimension, one where Black people make up only about 1% of the population.

A Trump 2024 sign greets you upon leaving Sacramento’s suburbs and entering Placer County. Winding past Gold Rush-era towns, forests and rocky outcroppings, the elevation soon rises to 3,000 feet, 4,000 feet and finally 5,000 feet.

At Emigrant Gap, Stevens sits at the edge of Lake Putt and smiles like a woman on top of the world. The lake is the main attraction among the conservancy’s parcels and it’s the body of water motorists see on the right as they head toward Nevada.

The water is so still you can see a perfect reflection of the snow-capped ridges.

A woman walks over a bridge on a forested path.

Jade Stevens walks over a bridge in Emigrant Gap.

This is also an ideal spot for Stevens to envision all that the 40 Acre group wants to do on this land, from helping to protect species such as southern long-toed salamanders and foothill yellow-legged frogs to helping humans who don’t see themselves as nature or wildlife lovers develop a new appreciation for California’s fragile ecosystem.

“These plants, everything here, they all rely on each other,” she says. “I haven’t brought my family out here yet, but just from them seeing what I’m doing, it’s already sparking conversation.”

Trudging in snowshoes alongside Stevens is Darryl Lucien, an attorney for the 40 Acre group who has acted as a liaison between the nonprofit and officials in local and state government.

The land trust isn’t as disconnected from Black Californians as some might think, Lucien says.

Next to the lake, a spillway flows into a stream that the Department of Water Resources refers to as Blue Canyon Creek.

Creek waters churn over a fallen tree.

Blue Canyon Creek runs through land recently purchased by the 40 Acre Conservation League, California’s first Black-led land conservancy.

Waters from Blue Canyon Creek eventually flow into the North Fork of the American River, then the Sacramento River, and then the California delta, where some flows will be channeled into the State Water Project, “which eventually finds its way down to Los Angeles,” Lucien says.

A look of racial pride washes over Lucien, 38, when he contemplates the possibility that these waters might reach the homes of Black Angelenos.

“Little do they know their water starts on Black land,” he says. “You’re standing at the source, baby.”

It has been less than a year since state Assemblymember Mike Gipson, a Democrat from South L.A. County and an early champion of the nonprofit, presented the group with a check to purchase the land. The planned habitat restoration will take time, but Stevens already has other big ideas.

Gazing across the lake to the southern shore, Stevens sees a location for a nature center that can hold environmental education classes and double as a rentable lodge for gatherings.

She daydreams about installing a pier for fishing, lookout points along the shore and adult treehouses for glamping among conifers so tall they don’t fit in a camera’s viewfinder.

Just beyond the southern shore there are old timber-company clearings which could someday be converted into trails that hikers can use to reach the adjacent Tahoe National Forest.

“This is an area where a lot of community building will take place,” Stevens says. “We’re hoping that everyone finds at least one thing that makes them feel welcome on this property.”

A hilltop view of a clearing in a forest.

The 40 Acre Conservation League has secured $3 million in funding from the state Wildlife Conservation Board and the nonprofit Sierra Nevada Conservancy to purchase 650 acres of a former logging area north of Lake Tahoe.

“Welcome” is not a word that has historically greeted Black people in the nation’s rural spaces and wilderness parks, says KangJae “Jerry” Lee, a social and environmental justice researcher and assistant professor in the University of Utah’s Department of Parks, Recreation and Tourism.

Lee notes the irony that most Black Americans descend from enslaved Africans who were stolen from their homelands specifically for their expertise in land stewardship and farming. Engaging with the outdoors was anything but a foreign concept.

“Some of them had better skill sets than the European colonists,” Lee says.

Black people built whole towns in the Great Plains and the West — including Allensworth, in Tulare County — though many were overrun by white mobs, seized or suffered decline due to a lack of equal access to resources such as water.

Some of the first rangers stationed at Yosemite and Sequoia national parks were Black, yet the reality is that the national park system was originally designed as way for white visitors to enjoy nature’s splendor, Lee says.

In response, Black-owned resorts catering to an African American clientele sprang up in the early 20th century — including in Val Verde, a “black Palm Springs” an hour’s drive north of Los Angeles; at Lake Elsinore near Riverside; and at Manhattan Beach.

The parks ostensibly welcome all today, but studies show that Black Americans are among the least likely of any racial group to visit them.

“Black people inherently had a deep, deep connection to the land,” Lee says.”That relationship has been severed over centuries.”

Stevens reflects on this painful history as she talks about the group’s plan to acquire other lands throughout California, including open spaces closer to L.A.

Recreation and conservation aren’t the only imperatives at Emigrant Gap.

Stevens pulls out a copy of a handwritten letter she received from a Black man from L.A. who is an inmate at San Quentin. He saw a TV report about the land purchase and felt inspired by its mission. He writes about how exposure to nature and recreation can help steer Black and brown teens away from gangs and violence, and out of the criminal justice system. Stevens agrees.

The property will be a small-business incubator too. The nonprofit intends to help Black and brown entrepreneurs develop sustainable, outdoor-oriented ventures such as hiking excursions — fostering generational wealth in the process.

“How we get back to this truth of appreciating nature, being connected to the outdoors, is our story to tell,” Stevens says.

One local ally wants to help the group shift the narrative around Black people and nature — Cindy Gustafson, who sits on the Placer County Board of Supervisors.

Gustafson also serves on the Sierra Nevada Conservancy, which awarded the league $750,000 to help purchase the land.

A man and woman walk along a snow-covered earthen dam.

The 40 Acre League’s Jade Stevens, left, and Darryl Lucien walk along an earthen dam at Lake Putt.

Gustafson, who is white, appreciates the league’s desire to help Northern Californians manage forested lands, which have been devastated in recent years by deadly and costly wildfires. Fires have grown more and more severe due to rising global temperatures, posing a greater risk to flora, fauna and residents in cities and rural areas alike.

“Many of us haven’t had the experiences or the background to understand the nature of these forests and how important they are to our climate, our environment,” Gustafson says. “Having new stewards is really important, as is diversity. It’s a sign of hope for me in these divisive times. ... Taking care of this land takes us all.”

Stevens seems undaunted by the challenge of persuading reluctant Black Californians to view Emigrant Gap as a setting where they can celebrate their culture while learning about the ecosystem.

Her pitch is a simple one:

“Here,” Stevens says, “you’re safe.”

Read the full story here.
Photos courtesy of

UN Climate Conference Host Brazil Urges Nations to Negotiate and Find Solutions to Global Warming

Host country Brazil’s tactful guidance as host of the U.N. climate conference is raising hopes for ambitious action on fighting global warming as speeches continue from the high-level ministers in town

With a direct letter sent to nations, host country Brazil is shifting the U.N. climate conference into a higher gear. The letter sent late Monday comes during the final week of what has been billed as a historic climate summit, the first ever in the Amazon rainforest, a key regulator of climate because trees absorb carbon dioxide, a greenhouse gas that warms the planet. The letter comes ahead of speeches of high-level ministers Tuesday. Headliners include representatives from influential European countries like Ed Miliband, energy secretary of the United Kingdom, and Deputy Prime Minister Sophie Hermans of the Netherlands. More leaders will also speak from small island states and developing countries like Barbados and Bangladesh, both facing loss of land as seas rise because of climate change. The letter asks leaders to hash out many aspects of a potential agreement by Tuesday night so that much is out of the way before the final set decisions Friday, when the conference is scheduled to end. Climate summits routinely go past their last day, as all nations come to the negotiating table trying to balance domestic concerns with major shifts needed around the world to protect the environment and cut greenhouse gas emissions. Brazil’s guidance for the summit, called COP30, is raising hopes for significant measures to fight global warming, which could range from a road map to move away from fossil fuels like oil and coal, or more money to help nations build out clean energies like wind and solar. For negotiators, Brazil's letter will mean later nights as they seek to strike political bargains across a host of contentious issues.“There are important concessions we expect from all sides,” said André Corrêa do Lago, COP30 president. "It is said you have to give to receive.”That Wednesday timeline is “pretty ambitious" and the stakes are high, said Alden Meyer, a senior associate at climate think tank E3G.“Whether it’s dealing with the impacts of climate change, dealing with increased energy bills and energy insecurity, improving health, creating jobs. Those are the things that people care about. They don’t care about some sub-paragraph in a legal decision adopted here in Belem,” Meyer said. “Brazil, the presidency, has made that very clear since the beginning, that that’s going to be the litmus test.”He added that the optimistic spirit of the host country “is starting to get a little infectious” and that that is part of building trust and goodwill amongst nations.“I sense ambition here. I sense a determination,” former German climate envoy Jennifer Morgan said Monday morning. The Associated Press’ climate and environmental coverage receives financial support from multiple private foundations. 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.This story was produced as part of the 2025 Climate Change Media Partnership, a journalism fellowship organized by Internews’ Earth Journalism Network and the Stanley Center for Peace and Security.Copyright 2025 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.Photos You Should See – Oct. 2025

Pope Leo XIV Calls for Urgent Climate Action and Says God’s Creation Is 'Crying Out'

Pope Leo XIV is urging countries at United Nations climate talks to take “concrete actions” to stop climate change that is threatening the planet

BELEM, Brazil (AP) — Pope Leo XIV on Monday urged countries at United Nations climate talks to take “concrete actions” to stop climate change that is threatening the planet, telling them humans are failing in their response to global warming and that God’s creation “is crying out in floods, droughts, storms and relentless heat.”In a video message played for religious leaders gathered in Belem, Leo said nations had made progress, “but not enough.”“One in three people live in great vulnerability because of these climate changes,” Leo said. “To them, climate change is not a distant threat, and to ignore these people is to deny our shared humanity.”His message came as the talks were moving into their second week, with high-level ministers from governments around the world arriving at the edge of the Brazilian Amazon to join negotiations. Monday was dominated by speeches, with several leaders from Global South nations giving emotional testimony on devastating costs of recent extreme weather and natural disasters.Vulnerable nations have pressed for more ambition at these talks as world leaders have begun to acknowledge that Earth will almost surely go past a hoped-for limit — 1.5 degrees Celsius (2.7 degrees Fahrenheit) in Earth's warming since pre-industrial times. That was the target set at these talks in 2015 in the landmark Paris agreement.Scientists say in addition to deadly heat, a warming atmosphere leads to more frequent and deadly extreme weather such as flooding, droughts, violent downpours and more powerful hurricanes.Leo said there's still time to stay within the Paris Agreement, but not much.“As stewards of God’s creation, we are called to act swiftly, with faith and prophecy, to protect the gift He entrusted to us,” he said. And he added: “But we must be honest: it is not the Agreement that is failing, we are failing in our response. What is failing is the political will of some.”U.N. climate chief Simon Stiell said Leo's words “challenge us to keep choosing hope and action."Leo "reminds us that the Paris Agreement is delivering progress and remains our strongest tool — but we must work together for more, and that bolder climate action is an investment in stronger and fairer economies, and more stable world," Stiell said.David Gibson, director of the Center on Religion and Culture at Fordham University in New York, said Leo is becoming the world’s most prominent moral leader against climate change.“This message does stake Leo out as a voice for the rest of the world, especially the Southern Hemisphere where climate change is wreaking havoc with the vulnerable in Asia, Africa and Latin America,” said Gibson.And he said it shows that Leo, who spent decades working as a missionary in Peru and is a naturalized Peruvian citizen, “has a Latin American heart and voice.”The Laudato Si' Movement, a Catholic climate movement that takes its name from a 2015 encyclical in which Pope Francis called for climate action, called Leo's message “a profound moral intervention.""He reminds the world that creation is crying out and that vulnerable communities cannot be pushed aside. “His voice cuts through the noise of negotiations and calls leaders back to what truly matters: our shared humanity and the urgent duty to act with courage, compassion, and justice,” the group's executive director, Lorna Gold, said.The Associated Press’ climate and environmental coverage receives financial support from multiple private foundations. 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.This story was produced as part of the 2025 Climate Change Media Partnership, a journalism fellowship organized by Internews’ Earth Journalism Network and the Stanley Center for Peace and Security.Copyright 2025 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.Photos You Should See – Oct. 2025

AI is guzzling energy for slop content – could it be reimagined to help the climate?

Some experts think AI could be used to lower, rather than raise, planet-heating emissions – others aren’t so convinced Cop30: click here for full Guardian coverage of the climate talks in BrazilArtificial intelligence is often associated with ludicrous amounts of electricity, and therefore planet-heating emissions, expended to create nonsensical or misleading slop that is of meagre value to humanity.Some AI advocates at a major UN climate summit are posing an alternative view, though – what if AI could help us solve, rather than worsen, the climate crisis? Continue reading...

Artificial intelligence is often associated with ludicrous amounts of electricity, and therefore planet-heating emissions, expended to create nonsensical or misleading slop that is of meagre value to humanity.Some AI advocates at a major UN climate summit are posing an alternative view, though – what if AI could help us solve, rather than worsen, the climate crisis?The “AI for good” argument has been made repeatedly at the Cop30 talks in Belém, Brazil, with supporters arguing AI can be used to lower, rather than raise, emissions through a series of efficiencies that can spread through areas of our lives such as food, transport and energy that cause much of the pollution dangerously heating our planet.Last week, a coalition of groups, UN bodies and the Brazilian government unveiled the AI Climate Institute, a new global initiative aimed at fostering AI “as a tool of empowerment” in developing countries to help them tackle environmental problems.Proponents say the program, in time, will help educate countries on how to use AI in an array of ways to bring down emissions, such as better optimizing public transit, organizing agricultural systems and recalibrating the energy grid so that renewables are deployed at the right times.Even weather forecasting, including the mapping of impending climate-driven disasters such as flooding and wildfires, can be improved in this way, according to Maria João Sousa, executive director, Climate Change AI, one of the groups behind the new initiative.“Very few places in the world actually run numerical weather prediction models because numerical weather prediction models are very compute-intensive,” she said. “I definitely believe (AI) is a positive force to accelerate a lot of these things.”AI can help monitor emissions, biodiversity and generally see what is going on, said Lorenzo Saa, chief sustainability officer at Clarity AI, who is also attending Cop30.“You can really start looking at where the problem is,” he said. “Then you can predict, and the prediction is actually short-term and long-term. You can now predict floods in the next week, but you can actually figure out sea level rise and things like that.”Saa admitted there are legitimate concerns about the governance of AI and its impact upon society but, on balance, the effect on the environment could be positive. In June, a report by the London School of Economics had an unexpectedly sunny estimate – AI could reduce global greenhouse gases by 3.2bn to 5.4bn tonnes in the next decade, even factoring in its vast energy consumption.“People already make dumb decisions about energy, such as running air conditioning for too long,” Saa said. “How much of our phone has bad stuff for us? I think a lot. How many hours do we spend on Instagram?“My view of this is that society is going to go in this direction. We need to think about how we are not destroying the planet with heating and we’re actually trying to make sure that there’s a net benefit.”Some other experts and environmental advocates are not convinced. The huge computational power of AI, particularly generative AI, is fueling a boom in data centers in countries such as the US that is gobbling up a huge amount of electricity and water, even in places prone to droughts, pushing up electricity bills in some places as a result.The climate cost of this AI gold rush, driven by companies such as Google, Meta and OpenAI, is large and set to get larger – a recent Cornell University study found that by 2030, the current rate of AI growth in the US will add up to 44m tons of carbon dioxide to the atmosphere, the equivalent of adding 10m gasoline cars to the road or the entire annual emissions of Norway.“People have this techno-utopian view of AI that it will save us from the climate crisis,” said Jean Su, a climate campaigner at the Center for Biological Diversity. “We know what will save us from the climate crisis – phasing out fossil fuels. It’s not AI.”Also, while AI can be used to drive efficiencies to lower emissions, the same sort of tools can be used to optimize other areas – including fossil fuel production. A report last month by Wood Mackenzie estimated that AI could help unlock an extra trillion barrels of oil – a scenario which, if the energy markets were to be amenable to such a thing, would obliterate any hopes of restraining catastrophic climate breakdown.Natascha Hospedales, lead lawyer for AI at Client Earth, said there is some merit to the “AI for good” argument, but that it is a “really small niche” within a much larger industry that is much more focused on maximizing profits.“There is some truth that AI could help the developing world, but much of this is in the early stage and some of it is hypothetical – it’s just not there yet,” she said. “Overall we are very, very far from a situation where AI for good balances out the negative environmental impact of AI.“The environmental cost of AI is already alarming and I don’t see data center growth winding down any time soon. A small percentage of AI is used for good and 99% of it is companies like Google and Meta lining their pockets with money, damaging the environment and human rights as they do it.”

‘Damned if we do but completely stuffed if we don’t’: heatwaves will worsen longer net zero is delayed

A new study suggests heatwaves will not revert back towards preindustrial conditions for at least 1,000 years after emissions target reachedSign up for climate and environment editor Adam Morton’s free Clear Air newsletter hereHeatwaves will become hotter, longer and more frequent the later net zero emissions is reached globally, new research suggests.Scientists at the ARC Centre of Excellence for 21st Century Weather and Australia’s national science agency, the CSIRO, simulated how heatwaves would respond over the next 1,000 years, examining the differences for each five-year delay in reaching net zero between 2030 and 2060. Continue reading...

Heatwaves will become hotter, longer and more frequent the later net zero emissions is reached globally, new research suggests.Scientists at the ARC Centre of Excellence for 21st Century Weather and Australia’s national science agency, the CSIRO, simulated how heatwaves would respond over the next 1,000 years, examining the differences for each five-year delay in reaching net zero between 2030 and 2060.The research, published in the journal Environmental Research Climate, found that for countries near the equator, delaying net zero until 2050 would result in heatwave events that break current historical records at least once yearly.The study also suggests that heatwaves will not revert back towards preindustrial conditions for at least a millennium after net zero is reached, which “critically challenges the general belief that conditions after net zero will begin to improve for near future generations”.“The thing with net zero and heat waves is: we’re damned if we do, but we’re completely stuffed if we don’t,” the study’s lead author, Prof Sarah Perkins-Kirkpatrick of the Australian National University, said. “We’re already locked into a certain amount of warming.” Sign up to get climate and environment editor Adam Morton’s Clear Air column as a free newsletterStabilising global heating at 1.5C or 2C would still result in impacts “that we haven’t yet experienced, including worse heatwaves”, she said. “The thing is, if we delay net zero – up to 30 years and even longer – those impacts are only going to get worse. We’re already locked into some, but the longer we leave net zero, the worse it’s going to be.”“[In Australia] you have the Coalition basically saying: net zero is useless, it’s pointless, it’s not worth it, it’s going to cost us too much money,” she said. “Well, it’s going to cost us even more if we don’t even get to net zero by 2050.”“The silver lining to this sort of study, if there is one, is that we have time to adapt … so when these heatwaves occur, we’re as prepared for them as possible,” she said. “We know the impacts of heatwaves – there’s so much understanding about the health impacts, ecosystem impacts, impacts on financial services.“What those adaptation strategies look like – that remains to be seen,” she said. “Those conversations can start now.”The modelling was done using Australia’s global climate simulator, known as Access, and defined a heatwave as at least three consecutive days where temperatures are above the 90th percentile for maximum temperature.skip past newsletter promotionSign up to Clear Air AustraliaAdam Morton brings you incisive analysis about the politics and impact of the climate crisisPrivacy Notice: Newsletters may contain information about charities, online ads, and content funded by outside parties. If you do not have an account, we will create a guest account for you on theguardian.com to send you this newsletter. You can complete full registration at any time. For more information about how we use your data see our Privacy Policy. We use Google reCaptcha to protect our website and the Google Privacy Policy and Terms of Service apply.after newsletter promotionProf David Karoly, a decorated climate change scientist and councillor with the Climate Council, who was not involved in the research, said the findings were not surprising.“There is a clear relationship between the cumulative emissions of carbon dioxide in the atmosphere and global mean temperatures,” he said.Karoly added that the study’s results were interesting but one caveat was that there were uncertainties in the modelling relating to potentially important processes such as rainfall changes, because the geographical representation of Australia and other regions in the Access model was of a lower resolution than for other climate simulators.

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