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Two College Students Are Building a Robot to Replant Burned Forests

Marta Bernardino and Sebastião Mendonça invented Trovador, a six-legged, A.I.-powered robot that can plant trees in hard-to-reach, wildfire-damaged terrain

Two College Students Are Building a Robot to Replant Burned Forests Marta Bernardino and Sebastião Mendonça invented Trovador, a six-legged, A.I.-powered robot that can plant trees in hard-to-reach, wildfire-damaged terrain Nineteen-year-olds Marta Bernardino and Sebastião Mendonça are developing a robot capable of reaching and reforesting areas where humans have been unable to. Trovador For 19-year-olds Marta Bernardino and Sebastião Mendonça, the forest was the intimate, untamed backdrop of their childhood. “It was a living playground where we built worlds, a sanctuary where the concepts of ‘importance’ were felt instinctively rather than taught,” says Bernardino. As children growing up near Lisbon, the two always believed that the forest would remain a constant in their lives. But with each year, they watched as fires ravaged the forests not far from their homes, leaving behind scorched gray hillsides. Desperate to revive these forests, the two then-high school students set out to create Trovador—a robot capable of reaching and reforesting areas where humans have been unable to. The state of Portugal’s forests A 2024 study by Carlos C. DaCamara, an atmospheric scientist at the University of Lisbon, revealed that between 1980 to 2023, over 1.2 million acres burned in wildfires across mainland Portugal, equivalent to 54 percent of its territory. In 2017, the country recorded 32,000 acres of tree cover loss, with wildfire accounting for 75 percent of that destruction, the highest in a year to date. Moreover, Portugal is the southern European nation most affected by wildfires, based on the scale of burned areas and the sharp rise in recent wildfires. To begin their project, Bernardino and Mendonça set out to understand the current methods used for reforestation and the reasons behind the forests’ slow recovery. “The initial, passive hope that nature would heal itself was shattered when we learned the soil was too damaged and the fires too frequent for recovery,” Bernardino adds. Though volunteers and community members strived to revive the burned forests, it was physically impossible to reach the most vulnerable parts, which happened to be on steep, treacherous slopes. “The defining moment came,” Bernardino says, “when a project leader articulated the brutal truth: the terrain itself was the enemy, making manual replanting a dangerous and often impossible task.” She continues, “The inspiration was no longer a feeling of loss, but a cleareyed recognition of a flawed system. We saw that existing solutions—from volunteer planting to drone seed-dropping—were failing to meet the scale and complexity of the problem.” Quick facts: The impact of climate change on wildfires Between 2003 and 2023, extreme wildfire activity worldwide increased by 2.2-fold. Wildfire seasons are lengthening too, starting earlier in the spring and lasting longer into the fall. Over 60 percent of forests in Portugal lie on steep, rugged terrain, where planting is unsafe and labor is scarce, Bernardino explains. Tractors can’t handle slopes, and they compact the soil. Using heavy vehicles for reforesting can disturb the oxygen and water supply to plants and soil microorganisms. Such disturbances can cause substantial damage to the soil systems, which in certain cases can be long-lasting and even irreversible, harming the productivity of the forest and the overall functionality of the ecosystem. Drone-based aerial seeding is one viable alternative highly considered today for reforestation. However, the technique has its own challenges. While it’s competent in precision identification of suitable locations for reforestation, the method typically uses thousands of seeds per acre (at least 4,000) for blanket seedings, making it less economical. “Drones, while flexible, scatter seeds with low precision—wasting one of the most scarce natural resources,” Bernardino adds. One pilot project focusing on certain conifer species found their survival rate when dropped from drones fell between 0 and 20 percent. “Since the early 2000s, Portugal has lost over half of its forest cover, triggering erosion, water loss and biodiversity collapse,” Bernardino explains. “This crisis hits rural communities hardest: places like Fundão and Alentejo, where forests provide food, water, income and cultural identity. As ecosystems vanish, so do livelihoods.” And the rapid loss of forest cover isn’t limited to Portugal—it extends around the globe. Recent data from the University of Maryland’s Global Land Analysis & Discovery (GLAD) lab, reported in the World Resources Institute’s “Global Forest Review,” found that an unprecedented 16.6 million acres of primary rainforest was lost in the tropics in 2024. Researchers at the GLAD lab estimate that tropical primary forests vanished at an accelerated pace of 18 soccer fields every minute last year. The loss—largely caused by massive forest fires—is almost double that of 2023. “The problem itself became our blueprint,” recounts Bernardino, “and we dedicated ourselves to creating a solution that embraced all the constraints: steep terrain, high survival rates and autonomy.” A firefighter tackles the flames next to a road as vegetation burns during a wildfire in Vila Real, Portugal, this past August. David Oliveira/Anadolu via Getty Images Designing a solution In 2023, Bernardino and Mendonça set out to create Trovador—a six-legged robot able to walk on rugged slopes and plant trees. Their first €15 ($17) prototype, built from recycled parts, planted 28 percent faster than humans with a 90 percent survival rate. The saplings also thrived without any post-planting care. The two are currently working to improve the efficiency of the robot and hope that their current prototype is able to handle longer operations on steeper terrains. “We build all-terrain robots that carry baby trees on their backs and plant them autonomously across difficult terrain,” says Bernardino. The innovators didn’t expect the wave of interest that followed their initial prototype. As a top finalist for National Geographic’s 2024 Slingshot Challenge, they won a grant of $10,000, and the invention was also featured in the magazine as one of the world’s most promising youth-led climate solutions. “On the tech side, the robotics world took notice, too—we became the youngest ever to receive Europe’s top award for Robotics for Sustainability,” says Bernardino. The hexapod robot is capable of climbing slopes of up to 45 degrees while detecting and simultaneously avoiding any boulders in its way. Trovador is also equipped to carry and plant up to 200 saplings per hour. Unlike a tractor, it barely makes an indent on the ground thanks to its light movement, preserving pore space for air and water in the soil. A depth camera attached to it maps any obstacles and allows it to slightly adapt its trajectory in real time. It also uses artificial intelligence and sensors to analyze the pH and humidity of the soil, after which Trovador will follow a three-step dig-place-tamp sequence to plant rooted saplings instead of seeds. “The sequence is validated to hit up to 85 to 90 percent survival in field trials and literature,” says Bernardino. With built-in sensors, Trovador uploads real-time data like GPS coordinates of each plant, soil humidity and battery life to a cloud, allowing the team to monitor the robot remotely. Moreover, during future soil analysis, the robot will be trained to skip the dry ground and steer planting to micro-niches with better odds. Bringing a viable product to market Miguel Jerónimo, a landscape architect and coordinator of Renature projects at the Group for Studies on Spatial Planning and the Environment, an independent environmental organization in Portugal, is optimistic about the tool. “Trovador appears to be an innovative project with potential, particularly as it was developed by two young students who turned a low-cost prototype into a possible approach to one of Portugal’s environmental challenges,” says Jerónimo. “The concept of a six-legged robot designed to move across steep slopes and dense vegetation offers a practical framework for reforestation in areas that are unsafe or difficult for people to access.” While Jerónimo is hopeful about the success of Trovador, he’s equally apprehensive about the robot’s durability in the actual field. “Moving from an experimental prototype to a reliable field-ready tool will require robust testing to ensure it can handle the rough, humid and heavily vegetated conditions typical of Portuguese forests,” he says. “Operational endurance, mobility in dense vegetation and ease of maintenance are areas that need further exploration before the system can be considered ready for broad use.” Additionally, the price tag on the tool also needs to be taken into account. “Keeping production costs low will be essential,” the landscape architect points out. “The robot must be affordable if it is to become a useful and accessible instrument in large-scale reforestation efforts rather than a one-off innovation.” However, Bernardino and Mendonça already have some ideas on how to make it affordable. Instead of selling the Trovador robot itself, the team plans to first market it as a platform that they operate as a service, selling “trees-in-the-ground.” By 2026, they hope to make the robot robust and user-friendly enough to deploy it in large-scale plantations. “Clients [like] municipalities, insurers, forestry firms or NGOs can open our app, outline a polygon, choose native species and receive a quote,” Bernardino elaborates. “Pricing is expected to be a big step up from the current methods, up to six times cheaper than manual crews and four times more cost‑effective than drones once seed wastage is factored in.” The innovators are narrowing in on a minimum viable product. For the next few months, the Trovador team intends to improve the tool based on feedback they received after field testing it in Lisbon this past summer. Both Bernardino and Mendonça’s hopes and ambitions remain high. With the robot, they aspire to make “reforestation that is fast, precise, audit-ready and scalable to the millions of hectares climate models say we must restore this decade,” says Bernardino. Get the latest stories in your inbox every weekday.

What’s for Dinner, Mom?

The women who want to change the way America eats

Illustrations by Lucas BurtinSometimes I think I became a mother not in a hospital room but in a Trader Joe’s in New York City. It was May 2020. A masked but smizing employee took one look at my stomach and handed me a packet of dark-chocolate peanut-butter cups. “Happy Mother’s Day!” she said. I was pregnant, with twins, during the early months of the pandemic, and all I could think about was food—what to eat and how to acquire it. Once a week I dashed clumsily through the store’s aisles, grabbing cans of beans and bags of apples while trying not to breathe, like a contestant on a postapocalyptic episode of Supermarket Sweep.Food then was interlaced with a sense of danger, the coronavirus potentially spreading (we worried, absurdly it turned out) even by way of reusable totes. Meanwhile, I knew from my relentless pregnancy apps that what I ate could have monumental implications for my future children’s eating habits. I was scared, and I felt powerless, and food seemed like one of the few things I could control, or at least try to.[Read: Becoming a parent during the pandemic was the hardest thing I’ve ever done]What I didn’t yet know was that I was tapping into a deep-rooted tradition—or that, even as I panic-shopped, it was evolving. Mothers are our first food influencers, and for most of history, they have been our primary ones. The process starts even before we’re born, we now know: The tastes we’re exposed to in utero inform the preferences we’ll have much later in life. Culture, “at least when it comes to food, is really just a fancy word for your mother,” Michael Pollan wrote in his best-selling 2008 book, In Defense of Food: An Eater’s Manifesto. Up until the mid-20th century or so, we humans ate much as our parents did, and their parents before them, and so on: food cooked at home, from fresh ingredients, made predominantly by women.But a flurry of destabilizing changes followed the Second World War, which had accustomed Americans to mass-produced boxed meals via rations issued to the military. Technological developments on multiple fronts brought prepackaged meals, frozen food, industrialized agriculture, the microwave oven. Marketers were learning how to subliminally manipulate shoppers. Perhaps most significant of all was a shift taking place at home: Women were joining the workforce, happily ceding the task of dinner to Big Food.[Read: Avoiding ultra-processed foods is completely unrealistic]By the 2000s, the consequences of all these changes were becoming calamitous. In the 1960s, 13 percent of American adults and about 5 percent of children were obese; by 2005, the number had risen to 35 percent of adults and more than 15 percent of children. Food companies had long since mastered the art of engineering products to encourage mindless overconsumption with every lab-perfected crunch, crisp, and snap. They’d also figured out how to maximize their sway over U.S. food policy, donating to politicians and directly funding scientists. And they did so while decrying as intrusive any efforts to rein in the ruthless lobbying tactics laid bare by the nutritionist and advocate Marion Nestle in her 2002 book, Food Politics: How the Food Industry Influences Nutrition and Health.Nestle, whom The New York Times has called “one of the most influential framers of the modern food movement,” has spent the two decades since then trying to help Americans understand the extent to which the systems that feed them are implicated in sickening them for profit. Big Food, she was among the first to highlight, often bypasses parents to target kids directly using cartoon mascots and promotional collaborations with toy companies. (One of the prized possessions in her archive is an Oreo-themed Barbie doll.) Until recently, Nestle’s war against the Pillsbury Doughboy and Tony the Tiger looked unwinnable, as she observes in her new book, What to Eat Now: The Indispensable Guide to Good Food, How to Find It, and Why It Matters. An update of her 2006 field guide for supermarket shoppers, it demonstrates how lamentably little progress has been made since then.Supermarkets and supply chains are even more consolidated than they were 20 years ago, and corporations are more empowered, as Nestle writes, “to sell food products no matter what they do to or for your health.” Nearly three-quarters of American adults are now overweight or obese. An array of new products since 2006—oat milk and gluten-free pasta, more global ingredients (gochujang, sumac), plant-based “meats,” CBD-infused everything—has added variety, but also confusion. What counts as healthy? The influx certainly hasn’t halted a rise in consumption of ultra-processed foods (those heavily reliant on industrial ingredients and methods far removed from anything you’d cook at home). They now make up more than half of the average American adult’s diet and two-thirds of what children eat. The food system in America, Nestle explains, produces twice the amount of calories we actually need, while ravaging the environment we can’t survive without. (Industrialized farming results in water and air pollution, soil degradation, deforestation, and a loss of biodiversity.)But something perplexing has also been happening for half a decade or so now: Once again, patterns of influence over what we eat are being upended. Enabled by social media, certain mothers have been mobilizing, intent on reasserting their authority over mealtime. I wasn’t the only one obsessed with food during the pandemic; something about the confluence of fear, frustration, and way too much time online ignited an impassioned, women-led, influencer-stoked, food-centered movement. A lot of the focus on fresh, homemade meals that this missionary crew has been advocating for has felt familiar—and sensible—to parents like me, dealing with uneaten strips of bell pepper and endless requests for snacks heavy in high-fructose corn syrup. Much has also felt wholly reactionary, rooted not just in the dietary and agricultural traditions of bygone days, but also in old-style gender politics.The past few years have seen a glut of wellness content about the dangers of seed oils and chemicals, as well as nostalgic imagery disseminated over social media by women labeled “tradwives”: freshly baked bread emerging from a weathered Dutch oven in a lovely country kitchen, cows being milked in bucolic bliss, chubby-cheeked toddlers waddling through vegetable patches. And then “Make America Healthy Again,” a slogan that began life as a winking provocation in a 2016 Sweetgreen ad, morphed into a more politicized mantra among an improbable coalition of personalities who also want milk unpasteurized, food dyes banned, vaccines eliminated—and who also seem to want women re-enshrined in their rightful place in the kitchen.“Who isn’t a food person these days?” the chef Ruby Tandoh asks in her new essay collection, All Consuming: Why We Eat the Way We Eat Now, surveying a culture in which everybody seems to be “talking about almost nothing else.” What’s striking is that these days, most of us recognize that America’s diet needs an intervention that goes beyond talk—and medication: GLP-1 drugs, however remarkable their effects may be, can’t feed kids. Yet the dramatic showdown between profit-greedy Big Food and proselytizing Big Family is eclipsing a middle ground of parenting pragmatists. Contradictory nutrition advice online drowns out a basic consensus: Experts overwhelmingly agree that a healthy diet still aligns with the same boring guidelines we grew up hearing—eat your fruits and vegetables, avoid ultra-processed (formerly “junk”) foods, limit sugar. How has the discussion become so polarized? And what might it take to actually fix dinner?We’ve seen politicized food fights before. In the mid-2000s, a harried mother in Chicago, navigating a fast-track, dual-career schedule with her partner, began to rely on quick fixes when feeding her kids: takeout, ready meals, prepackaged snacks. One day, at a routine doctor appointment, she learned that both of her daughters were on the path to becoming overweight, a warning that spurred her to overhaul the way her family was eating. “I was grateful for the time and the effort that I saved with these kinds of products,” Michelle Obama told a gathering of food-business executives in 2010, after she became first lady of the United States. “But I was also completely unaware that all that extra convenience sometimes made it just a little too easy for me to eat too much, for my kids to eat too much, and to eat too often.” She was unprepared, too, for the partisan ruckus that was about to begin.The chef, advocate, and policy adviser Sam Kass recounts this story in his wide-ranging and pragmatic new book about America’s food failings, The Last Supper: How to Overcome the Coming Food Crisis. Kass was just a few years out of college when he was hired by Obama in 2007 to help improve what and how her family ate at home. He then moved to Washington to work with the first lady on expanding her healthy-eating revolution from a personal goal into a political project. At the time, Kass notes, he’d been radicalized by Pollan and Nestle, who were giving shape to an intellectual, leftish, Berkeley-centric movement advocating for sustainable food production and more health-oriented food policies: “I shopped at farmers markets. I ate organic. My beef was grass fed. I thought that everyone should eat that way.” He arrived in the capital, he writes, “ready to decisively take on Big Ag—until reality reared its ugly head.”In February 2010, Obama announced her first major initiative as first lady: Let’s Move, a public-health campaign aimed at lowering childhood-obesity rates in the U.S. Improving the nutritional quality of school meals nationwide was a centerpiece; for children living in poverty, those breakfasts and lunches could be their main source of sustenance. Conservatives instantly caught the scent of a culture war. Figures such as Sarah Palin and Fox News’s Glenn Beck regularly fulminated against nanny statism and accused the Obamas of trying to overrule the sacred rights of American parents.Some of the backlash was bipartisan. When Kass tried to eliminate a policy that offered White House employees free Coke—after all, the administration was trying to get the nation to drink less of it—Michelle Obama’s deputy chief of staff responded, “Over my dead body.” And when Kass and the first lady spearheaded a national campaign to get people to drink more water, they were criticized by some of their public-health allies—Nestle among them—for not considering the environmental impact of plastic bottles.The uproar, in retrospect, is illuminating. Food is deeply personal. Our natural response to being told what to eat is defensive: We tend to be attached to the foods we associate with family, comfort, and care. Obama had presumed that the straightforward changes that had worked for her family might benefit the wider public—and to her credit, she aimed to provide healthier meals for all American children, through broad institutional reform. Kass cites a study showing that the odds of poor children developing obesity would have been about 50 percent higher without the school-meal interventions. Crucially, though, childhood obesity was soon rising again. And Let’s Move, rather than surging in popularity, was cast as elitist coercion, and Obama as the mean mommy forcing America to finish its vegetables.[Read: RFK Jr. is repeating Michelle Obama’s mistakes]In hindsight, Kass concludes, almost nothing Let’s Move could have suggested would have pleased conservatives at the time. But he also infers that the biggest failure of Let’s Move was one of communication. If you come across as instructing people on what to eat or, especially, what not to eat, you’re more likely to prompt a raised middle finger than compliance. Slide gracefully into people’s subconscious by enlisting the power of suggestion—visually presenting healthier products in a way that elicits an emotional response, say, or evokes a sense of home or prosperity—and you can help an idea take hold. There’s a reason the MAHA movement caught fire as social-media use escalated. “Marketers will tell you this,” Kass writes: “When you are trying to shift culture, seek out the influencers.” Illustration by Lucas Burtin One thing that Big Food, and now MAHA moms, understands is that what we see fundamentally affects our attitudes about what we eat. In 2010, the same year that the Obamas were hustling to pass the Healthy, Hunger-Free Kids Act, two software engineers debuted a photo-sharing app that they named Instagram, unwittingly ushering in a new hyper-visual food era of “serial virality,” as Tandoh puts it. Three years later, when the French pastry chef Dominique Ansel debuted the cronut (a hybrid of French patisserie and American deep fat frying), Instagram had 100 million users, many of whom responded to photos of his concoction with ravenous abandon. “People just shared the cronut, a platonic torus of golden dough with a sugar-salt-fat ratio to please the gods,” Tandoh writes. “Instead of spreading person to person through word of mouth, it spread exponentially, like a contagion.”The cronut wasn’t remotely healthy, but it was totemic of food trends in the 2010s, as community bonding through photo sharing took off. While the Affordable Care Act fueled attacks on Democrats as the party of Big Health Care, an alternative subculture was gaining momentum. In September 2008, the Oscar-winning actor Gwyneth Paltrow launched Goop, a newsletter of recipes and recommendations intended to foster—and eventually monetize—a more intimate relationship with her fans.Paltrow, who had lost her father to cancer, was now the mother of two young children, and believed passionately in the connection between food and health. “I am convinced that by eating biological foods it is possible to avoid the growth of tumors,” she told an Italian newspaper, drawing fierce pushback from doctors and dieticians—but not from her audience. Paltrow seemed to intuit the mood of many women in the aftermath of the Great Recession: their concerns, their exhaustion, their eagerness for an escape from their own cramped kitchens offered by images of delightfully wholesome domesticity. Goop gave an air of both glamour and accessibility to the kind of alternative lifestyle that had previously existed only on the crunchy fringes.[Read: The baffling rise of Goop]Since Goop’s debut, the wellness market has ballooned and is now worth more than $6 trillion, with the U.S. making up about a third of that figure. Paltrow’s association of food with health helped instill in people’s minds a connection between what they ate and how they felt. “I would rather smoke crack than eat cheese from a can,” she told an interviewer in 2011. And mothers were especially vulnerable to this messaging. We worry endlessly; we (traditionally) manage doctor appointments and household budgets, to the tune of an estimated $2 trillion a year in America.Over the course of the 2010s, even as the Alice Waters–inspired farm-to-table cause of the 1980s was enjoying a boost from Pollan and company, a different cottage industry of food and wellness advocates gained influence online. It tapped into valid concerns about health in America, while also hyping fearful ideas about a contaminated state of modernity (ridden with parasites, carcinogens, and GMOs, as well as vaccines and prescription drugs). Zen Honeycutt, a pro-organic-farming and anti-vaccine activist—now one of many mom acolytes of Robert F. Kennedy Jr.—founded the pressure group Moms Across America in 2012. “We, the mothers who buy 85% of the food and we women who make 90% of household purchasing decisions, have the power to shift the marketplace and protect our people and the planet,” the group’s website proclaims.In 2020, amid the anxiety and embattled politics of the pandemic, the 21st century’s wellness fads, paranoid tendencies, and regressive gender dynamics consolidated. The horseshoe gap between leftist naturopaths and libertarian farmsteaders began to close, enabled by health influencers, podcasters, and the cheap thrill of algorithmic engagement. Today, the people most likely to be advocating online for slow food are homesteaders and tradwives, canny content creators who post reels of themselves churning butter and pulling dirt-dusted produce out of the soil.Yet you don’t have to be a homesteader to be anxious about the food systems and environments that your children grow up in. Many of us parents have been buying organic and baking from scratch and trying to get creamed spinach off upholstery since our kids were born. We give them whisks and make cooking time part of family time, and do our best to serve them fresh, colorful meals. Though we may rarely live up to Waters’s edict about lovely food preparation and presentation—“Beauty is a language of care,” as she writes in her new book, A School Lunch Revolution—there’s always the joy of messy participation.What few of us have is the tradwife’s luxury of retreating to the Instagrammed home, of opting out of an external reality where food conglomerates go unchecked and food deserts unchanged. “Don’t overcomplicate it,” the homesteader known online as Greenview Farms posted this summer, in text overlaying a video of a sunset. “Just marry your best friend, have his babies, spend your days on the land, plant a garden, get a few chickens and a cow, and live a simple life.” (This surfaced in my feed, shared approvingly by a distant relative, a woman who—for the record—works in finance.)[Read: The wellness women are on the march]If you overlook the very real public-health ramifications of vaccine hesitancy and raw milk, the rise of the MAHA movement might offer some promise. Trump “sounds just like me when he talks!” Marion Nestle exclaimed back in February, laughing at the absurdity of a hard-core McDonald’s eater railing against “the industrial food complex.” RFK Jr. and his merry band of mothers have, if nothing else, made the importance of good food in encouraging good health more prominent in our culture, and more bipartisan.But unlike, say, Michelle Obama, MAHA proselytizers simply want moms to take on more responsibility, turning what should be a multifaceted effort into an atomized, individualistic one. The onus isn’t on the administration to regulate food companies or restrict marketing to children. It is on mothers to obsess over what their families are eating.[Olga Khazan: Doomed to be a tradwife]The irony is that plenty of parents who don’t dream of returning to the land are already on board for back-to-basics meals, made as manageable as possible. The Instagram account for Feeding Littles, which gives guidance on how to raise “adventurous, intuitive eaters,” has 1.9 million followers. The most popular Substack newsletter under the category of food and drink is titled “What to Cook When You Don’t Feel Like Cooking”; it dishes out quick, practical recipes oriented toward exhausted parents and has more than half a million subscribers. We care not just because we’re fixated on health, or on our own homes. We’re also reminding ourselves, and showing our kids, that eating is more than a solo need; it’s a communal enterprise, one that thrives on dealing as carefully and fairly with food resources as we can. “You eat. Willingly or not you participate in the environment of food choice,” Nestle writes toward the end of her new book. “The choices you make about food are as much about the kind of world you want to live in as they are about what to have for lunch.”This article appears in the January 2026 print edition with the headline “What’s for Dinner, Mom?”

Slight improvement in water quality at bathing sites, new figures show

The annual figures from the Environment Agency show 93% of sites met minimum standards, up from 92% last year.

The number of monitored bathing sites in England meeting minimum standards for water quality has risen slightly since last year, according to new figures from the Environment Agency.Out of the 449 sites regularly tested this summer, 93% met minimum standards for levels of bacteria in the water, linked to sewage spills, agricultural pollution and other factors. That is better than the 92% of 2024. Overall, 32 sites were rated "poor" - down from 37 in 2024, which was the worst year since the new measurement system began in 2015. The government said its reforms to bathing water rules will help further, but campaigners said that swimming in England's rivers was still too often risky to health.Water Minister Emma Hardy said: "These changes sit alongside our wider action to clean up our waterways so communities across the country can enjoy the places they care about most."A spokesperson for industry body Water UK said that the quality of England's bathing water remains high and that companies have a plan to reduce sewage spills.Alan Lovell, chair of the Environment Agency (EA), said: "Bathing water quality in England has improved significantly over recent decades, and this year's results show the continued impact of strong regulation, investment and partnership working.""But we know there is more to do, and the new bathing water reforms will strengthen the way these much-loved places are managed," he said.The EA monitors levels of bacteria at bathing water sites in rivers, lakes and the sea across England between May and September each year. Levels of bacteria are affected by pollution from sewage spills, agriculture and other sources - but can also be affected by the weather.The latest figures cover the period from 2022 to 2025, where measurements are available. More bathing sites have been added in recent years, effectively requiring more places to meet the highest standards for people to be able to swim. A large chunk of the sites added in 2024 were rated as poor last year, which can complicate comparisons. But there has been mounting criticism of water quality in rivers in particular, as more data has become available.James Wallace, chief executive of River Action UK, described the results as "deeply concerning"."Despite being our most protected river sites, the government's own data shows that swimming in our inland bathing waters carries significant health risks, underlining the failure of regulators to hold polluters to account," he said.A spokesperson for Water UK said: "These results show that the quality of English bathing water remains high with 87% achieving a 'good' or 'excellent' rating. This is a stark contrast to the 1990s when less than a third of bathing waters would have met today's standards."Water companies have a plan and are investing a record £12 billion over the next five years to end sewage entering our rivers and seas, with a 50% reduction in spills into bathing waters."The latest figures come after the EA gave England's water companies their worst ever combined marks last month for their environmental performance in 2024, amid a spike in serious pollution incidents.And in July a landmark review of the "failing" water sector in England and Wales recommended stronger regulation to hold water companies to account. But it warned that there would be no quick fixes to improve the state of our rivers or bring down bills.

UK can create 5,400 jobs if it stops plastic waste exports, report finds

Campaigners say closure of loophole making it cheaper to export rather than recycle will boost circular economyThe UK could end its reliance on exporting plastic waste by 2030 to support the creation of 5,400 new jobs and take responsibility for the environmental impact of its waste, according to research.The report said up to 15 new recycling facilities could be built by the end of the decade, attracting more than £800m of private investment. The increase in capacity would help generate almost £900m of economic value every year, providing at least £100m in new tax revenues annually. Continue reading...

The UK could end its reliance on exporting plastic waste by 2030 to support the creation of 5,400 new jobs and take responsibility for the environmental impact of its waste, according to research.The report said up to 15 new recycling facilities could be built by the end of the decade, attracting more than £800m of private investment. The increase in capacity would help generate almost £900m of economic value every year; providing at least £100m of new tax revenues annually.The report by Hybrid Economics comes as Britain’s plastic exports rose by 5% in 2024 to nearly 600,000 tonnes of waste.Exporting plastic creates environmental problems for many countries that receive it, as they do not have the ability to recycle it. It also, the report argues, removes valuable feedstock for a British recycling industry.Campaigners want the loophole that makes it cheaper to export plastic waste rather than recycle it in the UK, closed.Exports have soared in the first part of this year to Indonesia in particular – a country struggling with an environmental crisis from plastic pollution – amounting to more than 24,000 tonnes.The report said that by exporting the unprocessed plastic waste it produces, the UK is evading its responsibility to deal with its own waste and was denying itself an economic opportunity.The Guardian revealed last month that, in the past two years, 21 plastic recycling and processing factories across the UK have shut down owing to the scale of exports, the cheap price of virgin plastic and an influx of cheap products from Asia.Neville Hill, partner at Hybrid Economics, which produced the report, said the UK was only using half of its potential for recycling plastic waste. He said: “Ending exports of unprocessed plastic packaging waste by 2030 would allow the UK to take control of its environmental responsibilities and seize a clear economic opportunity.“Our analysis shows the sector can expand significantly with no call on public funds, provided government sets the right framework.”The way payments are made up at present incentivises the export of plastic waste, rather than encouraging businesses to keep it in the UK to be recycled.James McLeary, the managing director of Biffa Polymers, which commissioned the report, said the company had recycled 10bn plastic HDPE milk bottles in the last 20 years. He described this as a circular economy success story.“The lesson is simple. When the right conditions are in place, UK recycling grows, investment follows and the environmental and economic benefits build year after year. The UK can replicate that success across all plastic packaging and take responsibility for processing its own waste onshore.”The report is calling for an increase in the plastic packaging tax, which is imposed on producers who fail to include at least 30% of recycled plastic in their products, to 50% and a total phasing out of exports of unprocessed plastic packaging waste.

‘It’s hell for us here’: Mumbai families suffer as datacentres keep the city hooked on coal

As Mumbai sees increased energy demand from new datacenters, particularly from Amazon, the filthiest neighbourhood in one of India’s largest cities must keep its major coal plantsEach day, Kiran Kasbe drives a rickshaw taxi through his home neighbourhood of Mahul on Mumbai’s eastern seafront, down streets lined with stalls selling tomatoes, bottle gourds and aubergines–and, frequently, through thick smog.Earlier this year, doctors found three tumours in his 54-year-old mother’s brain. It’s not clear exactly what caused her cancer. But people who live near coal plants are much more likely to develop the illness, studies show, and the residents of Mahul live a few hundred metres down the road from one. Continue reading...

Each day, Kiran Kasbe drives a rickshaw taxi through his home neighbourhood of Mahul on Mumbai’s eastern seafront, down streets lined with stalls selling tomatoes, bottle gourds and aubergines–and, frequently, through thick smog.Earlier this year, doctors found three tumours in his 54-year-old mother’s brain. It’s not clear exactly what caused her cancer. But people who live near coal plants are much more likely to develop the illness, studies show, and the residents of Mahul live a few hundred metres down the road from one.Mahul’s air is famously dirty. Even behind closed car windows, there is a heavy stench of oil and smoke.“We are not the only ones facing health challenges in the area,” said Kasbe, who is 36. “It’s all covered with filth.”Two coal plants plant run by the Indian multinationals Tata Group and Adani were due to close last year in a government push to cut emissions. But late in 2023, those decisions were reversed after Tata argued that electricity demand was rising too fast for Mumbai to go without coal.Neither company responded to requests for comment.Buildings shrouded in smog in Mumbai, India, in January. Photograph: Bloomberg/Getty ImagesEconomic growth and the need for air conditioning in climate change-linked extreme heat have seen India’s electricity demand soar in recent years. But an investigation by SourceMaterial and the Guardian reveals the biggest single factor in the city’s failure to end its dependence on fossil fuels: energy-hungry datacentres.Leaked records also reveal the scale of the presence of the world’s biggest datacentre operator, Amazon, in Mumbai.In the city’s metropolitan area, Amazon, on its website, records three “availability zones”, which it defines as one or more datacentres. Leaked records from last year seen by SourceMaterial from inside Amazon reveal the company used 16 in the city.As India transforms its economy into a hub for artificial intelligence, the datacentre boom is creating a conflict between energy demand and climate pledges, said Bhaskar Chakravorti, who researches technology’s impact on society at Tufts University.“I’m not surprised they’re falling behind their green transition commitments, especially with the demand growing exponentially,” he said of the Indian government.Kylee Yonas, a spokeswoman for Amazon, said Mumbai’s “emission challenges” were not caused by Amazon.“On the contrary – Amazon is one of the largest corporate investors in renewable energy in India, and we’ve supported 53 solar and wind projects in the country capable of generating over 4m megawatt hours of clean energy annually,” she said. “These investments, which include our 99 megawatt wind project in Maharashtra, are enough to power over 1.3m Indian homes annually once operational.”Amazon is building hundreds of datacentres around the world as it vies with Microsoft, Google and others for leadership of the booming AI market.Tata Consultancy Services Ltd office in Mumbai, India. Photograph: Bloomberg/Getty ImagesThe company is failing to take responsibility for its role in prolonging the use of the most polluting energy sources, said Eliza Pan, a spokeswoman for Amazon Employees for Climate Justice.“Amazon is using the shiny thing of AI to distract from the fact that it’s building a dirty energy empire,” she said.Yonas denied this, saying: “Not only are we the leading datacentre operator in efficiency, we’re the world’s largest corporate purchaser of renewable energy for five consecutive years with over 600 projects globally.”Amazon’s claims on green energy are controversial: the company has been criticised for using “creative accounting” by buying renewable energy certificates alongside direct purchases of green energy, as described by a member of Amazon Employees for Climate Justice.‘Everything is contaminated’Mahul, where Kasbe drives his rickshaw, is a former fishing village now home to tens of thousands of people who moved there after slum clearances elsewhere in the city.Kiran Kasbe’s mother. Photograph: Courtesy SushmitaKasbe and his mother arrived there in 2018 after their home in the suburb of Vidyavihar was bulldozed. She had been healthy before the move but deteriorated rapidly until eventually she was diagnosed with brain cancer, he said.Gajanan Tandle, who lives nearby, said pollution-linked illnesses were common. “There are so many cases of skin and eye irritation, cancer, asthma, TB and more, and no assistance from the government,” he said.Another local, Santosh Jadhav, has lobbied the government to move people away from Mahul.“Everything is contaminated. We are tired of fighting for a decent means of living,” he said. “It’s hell for us here.”skip past newsletter promotionafter newsletter promotionHidden datacentresAmazon, an online marketplace that processes 13 million customer purchases each day, according to research by CapitalOne, has bet billions of dollars on an expansion of its lucrative cloud computing business and expansion of AI-assisted services, from automated coding to translation.The reason so many of its Mumbai centres have slipped under the radar is that they are leased rather than owned by the company. Whereas in the US Amazon tends to own its facilities outright, elsewhere it often rents either entire data farms or server racks in centres shared with other companies.Shared “colocation” units account for a larger increase in datacentre energy use worldwide than owned or wholly leased, according to Shaolei Ren, a computing specialist at the University of California, Riverside.“Most of the energy in the datacentre industry is going into colocations,” he said. “They are everywhere.”Workers near Amazon Prime branding in Mumbai, India, on September. Photograph: NurPhoto/Getty ImagesAmazon’s Mumbai colocation datacentres used 624,518 megawatt hours of electricity in 2023, enough to power over 400,000 Indian households for a year, the leaked data shows.India is poised to overtake Japan and Australia to become the second-largest user of datacentre electricity in the Asia-Pacific region, S&P has forecast. By 2030, datacentres will consume a third of Mumbai’s energy, according to Ankit Saraiya, chief executive of Techno & Electric Engineering, an Indian power infrastructure supplier.‘Toxic hell’As it scrambles to keep ahead of demand for power, the state government of Maharashtra has extended the life of Tata’s coal plant in Mahul by at least five years. At the same time, it also postponed the shutdown of a 500-megawatt station operated by Tata’s rival, Adani Group, north of the city.When Tata argued for the extension in a petition to the state energy board, the biggest single factor the company cited was increased energy demand from datacentres. Adani said most anticipated new demand in the five years after the date by which its station was due to close would be from datacentres.The power stations are just two of many polluters in Mumbai’s Mahul district. The area is also home to three refineries and 16 chemical factories, according to a 2019 report published by India’s Centre for Policy Studies which called the neighbourhood a “toxic hell”.But the Tata station, opened in 1984 and like other older power stations subject to laxer emissions rules, is “one of the key sources of air pollution in Mumbai”, according to Raj Lal, chief air quality scientist at the World Emission Network.It contributes nearly a third of local PM2.5 pollution, according to the Centre for Research on Energy and Clean Air. PM2.5 refers to airborne particles 2.5 micrometers or less in diameter that can cause significant health problems when inhaled.Smoke rises from a chimney at the Tata Power Co Trombay Thermal power plant in Mumbai, India, in August 2017. Photograph: Bloomberg/Getty ImagesToxic heavy metals in coal ash from the plant are likely to cause “respiratory diseases, kidney issues, skin problems, cardiac issues”, said Shripad Dharmadhikary, founder of the environmental organisation Manthan Adhyayan Kendra.Even with the Tata plant kept running, Mumbai’s power grid is creaking under the strain of surging demand. To guard against blackouts, Amazon’s colocation datacentres in the city have bought 41 diesel generators as backup and are asking for approval to install more, documents show.In August a report by the Center for Study of Science, Technology and Policy (CSTEP) identified diesel generators as a major source of air pollution in the region.The presence of datacentres that require constant power and diesel generators for backup “will naturally exacerbate emissions”, said Swagata Dey, air quality specialist at (CSTEP), asserting that datacentre operators should be required by law to power them with pollution-free solar electricity.One Amazon site in particular, just across the Thane Creek from Mahul, hosts 14 generators. One of the company’s partners received permission earlier this year to install 12 further generators at the site.“Public health impacts must be a central consideration when siting datacenters and choosing energy sources,” said Ren of the University of California, Riverside, who co-wrote a recent paper assessing public health risk from diesel generators at US datacentres.Sushmita does not use a surname because in India a surname indicates the caste–a hierarchical and discriminatory social structure.

Labor’s attempts to woo Greens and Coalition on nature laws revealed amid criticism of ‘coin toss’

Labor is continuing talks with both sides and could be prepared to give more groundFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastThe fate of Labor’s nature laws hangs in the balance after new concessions to the Coalition and the Greens failed to immediately convince either party to support them.But Labor is continuing talks with both sides and could be prepared to give more ground, as it desperately tries to land a deal to overhaul the Environment Protection and Biodiversity Conservation (EPBC) Act before parliament rises for the year on Thursday night. Continue reading...

The fate of Labor’s nature laws hangs in the balance after new concessions to the Coalition and the Greens failed to immediately convince either party to support them.But Labor is continuing talks with both sides and could be prepared to give more ground, as it desperately tries to land a deal to overhaul the Environment Protection and Biodiversity Conservation (EPBC) Act before parliament rises for the year on Thursday night.The intensifying negotiations comes as the government’s own advisory body on threatened species - the threatened species scientific committee (TSSC) - warned the legislation had not got the balance right to meet the goal of no new extinctions.In a submission to a Senate inquiry examining the bills, the committee warned the bills appeared to increase the minister’s discretion to decide when environmental protections would be upheld and this “could undermine” efforts to protect wildlife and avoid extinctions.The environment minister, Murray Watt, presented separate amendments to the Coalition and the Greens on Tuesday morning as he continues to pursue potential deals with both.The Climate Council chief executive, Amanda McKenzie, criticised the government for treating the long-awaited reforms “like a coin toss”.“Do they really care about protecting Australians and our environment from climate change, or is it all just politics?” she said.Under his offer to the Greens, Watt has offered several changes to address the party’s concern that coal and gas projects could be fast-tracked under the revamped EPBC Act.In one concession, the government is prepared to limit a new “streamline assessment” process to restrict fossil fuel projects.Labor is also prepared to reverse a controversial decision to hand the so-called “water trigger” back to the states, and ensure the commonwealth minister retains the ability to approve projects even under agreements that devolve decision-making powers to the states.As revealed on Saturday, coal and gas projects would also be excluded from a special “national interest” exemption if the Greens agree to support the legislation.After discussing the concessions at a party-room meeting on Tuesday morning, Guardian Australia understands the Greens are still not satisfied with the laws.The list of written amendments did not include the government’s offer to subject native forest logging to national environmental standards within three years, as negotiations continue on that provision.The Greens environment spokesperson, Sarah Hanson-Young, on Wednesday said the three-year timeframe was “three years too long”.Watt presented a separate set of concessions to the Coalition on Tuesday morning, which included imposing a 14-day time limit on “stop-work orders” and clarification that the maximum fines for breaches of nature laws – which are set at $1.6m for individuals and $825m for businesses – would only apply in the “most serious and egregious cases”.The latest offer did not include changes to “unacceptable impact” – a new definition that would, if met, result in an application being immediately refused.Clarifying that definition has been a key demand for the Coalition and industry groups, who claim it would set too low a bar to kibosh a project.Legal and scientific experts have the opposite view, fearing the provision won’t properly protect the most at-risk species and ecosystems.Liberal sources confirmed the shadow environment minister, Angie Bell, told the Coalition’s joint party-room meeting on Tuesday morning that failing to revise the definition was a “deal-breaker” for the opposition.Guardian Australia understands Watt remains open to reworking the “unacceptable impact” definition as well as the proposed new “net gain” test, which is supposed to force developers to make up for damage and deliver an overall benefit for the environment.The opposition leader, Sussan Ley, said the concessions offered on Tuesday morning were “totally insufficient”.Ley said the fact that Watt was simultaneously negotiating with the Coalition and the Greens showed that his main motivation was a “political fix”.“Right now, we have an environment minister with two sets of amendments, one in each hand. They’re radically different, these amendments,” she said.“He’s saying to the Coalition, make a deal with me. He’s saying to the Greens, make a deal with me. What does that tell you? What that tells you is this is a minister in search of a political fix, not in search of the legislative reform we need to bring investment, to back-in communities and jobs and to build the energy future that this country deserves.”

Drought killer: California storms fill reservoirs, build up Sierra snowpack

It's been the wettest November on record for several Southern California cities. But experts say that despite the auspicious start, it's still too soon to say how the rest of California's traditional rainy season will shape up.

A string of early season storms that drenched Californians last week lifted much of the state out of drought and significantly reduced the risk of wildfires, experts say.It’s been the wettest November on record for Southland cities such as Van Nuys and San Luis Obispo. Santa Barbara has received an eye-popping 9.5 inches of rain since Oct. 1, marking the city’s wettest start to the water year on record. And overall the state is sitting at 186% of its average rain so far this water year, according to the Department of Water Resources.But experts say that despite the auspicious start, it’s still too soon to say how the rest of California’s traditional rainy season will shape up.“The overall impact on our water supply is TBD [to be determined] is the best way to put it,” said Jeff Mount, senior fellow at the Public Policy Institute of California’s Water Policy Center. “We haven’t even really gotten into the wet season yet.”California receives the vast bulk of its rain and snow between December and March, trapping the runoff in its reservoirs to mete out during the hot, dry seasons that follow. Lights from bumper-to-bumper traffic along Aliso Street reflect off the federal courthouse in Los Angeles on a rainy night. (Robert Gauthier/Los Angeles Times) Those major reservoirs are now filled to 100% to 145% of average for this date. That’s not just from the recent storms — early season rains tend to soak mostly into the parched ground — but also because California is building on three prior wet winters, state climatologist Michael Anderson said.A record-breaking wet 2022-23 winter ended the state’s driest three-year period on record. That was followed by two years that were wetter than average for Northern California but drier than average for the southern half, amounting to roughly average precipitation statewide.According to the latest U.S. Drought Monitor report, issued last week before the last of the recent storms had fully soaked the state, more than 70% of California was drought-free, compared with 49% a week before. Nearly 47% of Los Angeles County emerged from moderate drought, with the other portions improving to abnormally dry, the map shows. Abnormally dry conditions also ended in Ventura, Santa Barbara, San Luis Obispo and much of Kern counties, along with portions of Central California, according to the map. In the far southern and southeastern reaches of the state, conditions improved but still range from abnormally dry to moderate drought, the map shows.The early season storms will play an important role in priming watersheds for the rest of the winter, experts said. By soaking soils, they’ll enable future rainstorms to more easily run off into reservoirs and snow to accumulate in the Sierra Nevada.“Building the snowpack on hydrated watersheds will help us avoid losing potential spring runoff to dry soils later in the season,” Anderson wrote in an email.Snowpack is crucial to sustaining California through its hot, dry seasons because it runs down into waterways as it melts, topping off the reservoirs and providing at least 30% of the state’s water supply, said Andrew Schwartz, director of UC Berkeley’s Central Sierra Snow Lab.The research station at Donner Pass has recorded 22 inches of snow. Although that’s about 89% of normal for this date, warmer temperatures mean that much of it has already melted, Schwartz said. The snow water equivalent, which measures how much water the snow would produce if it were to melt, now stands at 50%, he said.“That’s really something that tells the tale, so far, of this season,” he said. “We’ve had plenty of rain across the Sierra, but not as much snowfall as we would ordinarily hope for up to this point.”This dynamic has become increasingly common with climate change, Schwartz said. Snow is often developing later in the season and melting earlier, and more precipitation is falling as rain, he said. Because reservoirs need to leave some room in the winter for flood mitigation, they aren’t always able to capture all this ill-timed runoff, he said.And the earlier the snow melts, the more time plants and soils have to dry out in the summer heat, priming the landscape for large wildfires, Schwartz said. Although Northern California has been spared massive fires for the last few seasons, Schwartz fears that luck could run out if the region doesn’t receive at least an average amount snow this year.For now, long-range forecasts are calling for equal chances of wet and dry conditions this winter, Mount said. What happens in the next few months will be key. California depends on just a few strong atmospheric river storms to provide moisture; as little as five to seven can end up being responsible for more than half of the year’s water supply, he said.“We’re living on the edge all the time,” he said. “A handful of storms make up the difference of whether we have a dry year or a wet year.”Although the state’s drought picture has improved for the moment, scientists caution that conditions across the West are trending hotter and drier because of the burning of fossil fuels and resultant climate change. In addition to importing water from Northern California via the Sacramento-San Joaquin River Delta, Southern California relies on water from the Colorado River. That waterway continues to be in shortage, with its largest reservoir only about one-third full.What’s more, research has shown that as the planet has warmed, the atmosphere has become thirstier, sucking more moisture from plants and soils and ensuring that dry years are drier. At the same time, there’s healthy debate over whether the same phenomenon is also making wet periods wetter, as warmer air can hold more moisture, potentially supercharging storms.As a result, swings between wet and dry on a year-to-year basis — and even within a year — seem to be getting bigger in California and elsewhere, Mount said. That increase in uncertainty has made managing water supplies more difficult overall, he said.Still, because of its climate, California has plenty of experience dealing with such extremes, said Jay Lund, professor emeritus of civil and environmental engineering at UC Davis.“We always have to be preparing for floods and preparing for drought, no matter how wet or dry it is.”Staff writer Ian James contributed to this report.

These 5-Second Hand Exercises For Dementia Are Going Viral. Here's What Neurologists Think.

Is boosting your brain health really this simple?

Social media is full of health hacks for better sleep, clear skin, a functioning gut, you name it. Lately, a tip for aging and cognitive function is gaining traction. Videos showing hand and finger exercises have racked up millions of views on TikTok and Instagram, with users suggesting these movements can help prevent dementia or Alzheimer’s disease.The exercises include things like alternated clapping, tapping, arm circles and pointing your fingers in different directions. And although they might look easy enough, exasperated folks in the comments sections highlight that some of these motions are a lot harder than they appear. But does failing at intricate finger movements and hand coordination exercises mean you’re cognitively doomed? And can these exercises really ― as the captions claim ― prevent dementia or Alzheimer’s? HuffPost asked a neurologist to weigh in. “While there are a few studies showing that aspects of mild cognitive impairment might be improved with these types of hand exercises, I would put forward that there is nothing magical about these movements,” said neurologist Dr. Chris Winter.Hand exercises are a way to practice motor skills, which can be beneficial for maintaining cognitive abilities as we age. But it might be a stretch to suggest that specific movements are going to remove your risk of developing dementia or Alzheimer’s disease. Can simple hand exercises really prevent dementia?Winter explained that hand and finger coordination can be beneficial as part of a larger pattern of mental and physical activity, but it’s not the hand gestures themselves that matter ― it’s the engagement and concentration involved.“Learning to play the piano or other activities that force concentration and the practice of improved hand/eye coordination are potentially just as useful,” Winter said. “I recommend that people stay active and engage in appropriately challenging activities. Learn a new language, pick up a guitar or a used set of drums, play pickleball. If you have the capacity to do these things, get off of TikTok and go do these things instead.”Brain function is less about hand gestures and more about movement and mental engagement that challenge your mind and body overall. “While no single exercise can prevent Alzheimer’s disease, regularly engaging your brain in complex, novel activities helps build what we call ‘brain reserve.’ A higher brain reserve can delay the onset of dementia symptoms or reduce their severity later in life,” said Dr. Majid Fotuhi, a neurologist and author of “The Invincible Brain: The Clinically Proven Plan to Age-Proof Your Brain and Stay Sharp for Life.”Board-certified neurologist Dr. Luke K. Barr emphasized that TikTok viewers shouldn’t mistake their inability to do some of these hand exercises as a red flag for cognitive decline. If you have trouble alternating pointing your thumbs and pinkies, that doesn’t mean you’re “already developing dementia,” as some commenters fear. “These are complex exercises that are difficult, especially at first, and require a lot of concentration and practice,” Barr said. “Just because someone is not able to do it easily right away, does not necessarily mean that they have dementia.”As with most anything complicated, practice makes perfect. “I think there are a variety of reasons why one could not do these gestures ― or rub their stomach while patting their head,” Winter added. “While someone with significant dementia is probably not likely to be able to do these activities, the fact that someone struggles with coordination does not indicate dementia or progression in this direction. Ability to pat your hands together is not a diagnostic test for cognitive decline.”So while those quick coordination challenges might be fun or stimulating, experts say, your best bet for brain health still lies in the basics: regular exercise, quality sleep, a balanced diet and staying mentally and socially active.“Factors such as poor diet, sedentary lifestyle, obesity, diabetes, hypertension, sleep problems, chronic stress and excessive alcohol can contribute to shrinkage in the brain,” Fotuhi said. “Along with genetic and environmental factors, these lifestyle and medical factors can damage small blood vessels, reduce rinsing mechanisms in the brain, cause ‘leaky brain’ and increase brain inflammation ― which over time lead to cognitive decline and Alzheimer’s disease. So rather than worrying about one task, it’s better to focus on overall brain health habits.”Ultimately, what exercise and mental stimulation mean can vary based on individuals’ abilities. “If you only have the capacity to practice hand gestures, then that’s OK too,” Winter said. But just remember that the real “hack” for keeping your brain sharp isn’t a social media exercise ― it’s a holistic approach to living a healthy, mindful and engaged life.

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