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Geologists stun world by denying formal recognition to the Anthropocene

The Anthropocene remains alive in scientific debate despite the vote.

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Artistic illustration of a nuclear weapon explosion. Credit: Burnt Pineapple Productions / Wikimedia

A subcommittee of the International Union of Geological Sciences (IUGS) voted 12-4 (with 2 abstentions) against formally recognizing the Anthropocene as a geological period.

Anthropocene refers to a proposed event in geological timescale when human activity began shaping the ecosystem. It was first pitched as a concept in 2000 by botanist Eugene Stroemer, and the atmospheric chemist Paul Curtzen. Curtzen’s Nobel Prize winning work on the ozone layer, had helped influence policies to ban chlorofluorocarbons (CFCs).

In 2009, an Anthropocene Working Group (AWG) was set up by a community of geologists to decide on an exact date that marked human influence on nature. They decided on 1950, based on a strata of 10 centimeters of mud in Crawford Lake that indicated fertilizer use, fossil fuel burning, and radioactive fall outs from nuclear weapon tests. However, relying on simply one lake source isn’t scientific enough. But also geologists believe there’s a need for a more accurate and precise start date to realize the Anthropocene as an ‘epoch’. Evidence doesn’t stack up to meet the technical requirements to define one.

“Human impact goes much deeper into geological time,” said committee member Mike Walker to The New York Times (NYT). Walker is an earth scientist and professor emeritus at the University of Wales, Trinity Saint David, UK. “If we ignore that, we are ignoring the true impact, the real impact, that humans have on our planet.”

“It constrains, it confines, it narrows down the whole importance of the Anthropocene,” said another committee member Jan A. Piotrowski to NYT. He’s a geologist at Aarhus University, Denmark. “What was going on during the onset of agriculture? How about the Industrial Revolution? How about the colonizing of the Americas, of Australia?”

However, members of the IUGS subcommittee believed the definition of an ‘epoch’ can extend to even human efforts at agriculture that gave rise to societies to form.

It’s not that geologists deny that there has ever been human impact. In fact, the Anthropocene is more widely used by humanities scholars than geologists.

“This was a narrow, technical matter for geologists, for the most part,” said Erle C. Ellis, an environmental scientist at the University of Maryland, Baltimore County, US to NYT. “This has nothing to do with the evidence that people are changing the planet.”

The AWG can’t file another proposal against the decision until a decade has passed again when the subcommittees will convene again. Those in favor of formally recognizing the Anthropocene say if not now, the proposal will be accepted in future debates and discussions.

Society

EdPublica’s Dipin Damodharan wins international Solutions Journalism award for story on Kerala’s solar model

EdPublica’s Dipin Damodharan wins the 2024–25 Solutions Journalism Network Award for his story on Kerala’s community-led solar energy model.

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Dipin Damodharan wins international solutions journalism award
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EdPublica has received another international recognition after its Editor-in-Chief, Dipin Damodharan, won a 2024–25 Solutions Journalism Network Award for his reporting on Kerala’s renewable energy transition, published on EdPublica.com.

Dipin Damodharan has won the Second-Place Prize in the “Best of Solutions Journalism in News Articles (Small Newsroom)” category at the 2024-25 Solutions Journalism Network (SJN) Awards for his story, “Why Kerala Has Struggled to Replicate Perinjanam’s Solar Success.”

The award recognises impactful journalism that highlights credible responses to pressing social challenges. Dipin’s story examined the community-driven rooftop solar initiative in Perinjanam village in Kerala and explored the structural, financial, and policy challenges that have limited the replication of the model across the state.

The winners were selected by a panel of over four dozen international judges from around the world.

Describing this year’s award-winning entries, the Solutions Journalism Network said they “span issue areas and media formats. They come from around the globe, from outlets large and small. And most importantly, they represent an entirely different way of understanding news — not as a mechanism mainly for chronicling the world’s woes but also as a window into people’s creativity and resilience in trying to address them.”

The Solutions Journalism Network, a US-based organisation, is considered one of the world’s leading institutions promoting solutions-oriented reporting and constructive public-interest journalism.

The story was produced as part of the Earth Journalism Network (EJN) fellowship on renewable energy reporting. Through extensive field reporting, the article documented how a local community-led renewable energy initiative evolved into a successful decentralized solar model while also examining the gaps that continue to hinder broader adoption.

The SJN Awards honour journalism that combines rigorous reporting with an examination of responses to social, environmental, and governance challenges.

Dipin Damodharan is a journalist based in India and the Editor-in-Chief of EdPublica, an independent global media platform focusing on science, environment, education, and public-interest journalism.

The official announcement was published by the Solutions Journalism Network on its website.

Click here to read the award winning story.

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Why Humid Heat Is Becoming India’s Most Dangerous Climate Threat

From menopausal women and taxi drivers to surfing instructors, rising humidity is making heat harder to escape—even indoors.

Vaishnavi V S

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Woman holding a child and offering water during hot weather on a city street, illustrating the human impacts of extreme heat and humidity in India.
A woman gives water to a child on a hot day. Rising temperatures and humidity are increasing the risk of heat-related illness across the world, particularly among vulnerable populations. Image credit:Nahmad Hassan/Pexels

Humid Heat in India is emerging as a growing public health threat. Through data, expert insights and lived experiences from across the country, EdPublica explores how rising heat and humidity are making everyday life increasingly difficult for millions of Indians.

By 9 a.m., Radha, a 55-year-old office worker from Kottayam in the southern Indian state of Kerala, is already drenched in sweat as she waits for her bus. By noon, waves of heat, anxiety and discomfort begin to set in. Menopause had already brought frequent hot flashes, she says, but rising temperatures and humidity have made them harder to endure.

For Radha, relief no longer comes easily. Even routine tasks feel more exhausting than they once did. Her experience reflects a growing reality across India and much of the world: climate change is not only making the planet hotter, it is making heat harder for the human body to bear.

Humid Heat in India Taking a Growing Toll

When high temperatures combine with high humidity, the body struggles to cool itself through sweating, its primary cooling mechanism. As moisture in the air increases, sweat evaporates less efficiently, causing heat to build up inside the body.

A recent analysis by Climate Central found that dangerous humid heat days have more than doubled globally since the 1970s. The average number of dangerous humid heat days has risen from around 10 days per year to 23 days annually.

Alarmingly, climate change is now responsible for nearly two-thirds of these dangerous humid heat days. The consequences are increasingly visible. A study examining mortality linked to extreme heat events since 2000 estimates that more than 260,000 people have died from heat-related hazards worldwide.

Globally, climate change is now responsible for six times as many dangerous humid heat days each year as it was in the 1970s, underscoring how rapidly the risk has intensified. In 2025 alone, the world experienced an average of 23 dangerous humid heat days. Climate Central estimates that 19 of those days, or 83 percent, were added by human-caused climate change.

“These findings show how profoundly climate change is reshaping our world,” said Kaitlyn Trudeau, Applied Climate Scientist at Climate Central. “Dangerous humid heat has gone from being an uncommon event to a defining feature of daily life in some regions, pushing conditions closer to the limits of what the human body can safely endure.” Climate Central’s analysis of 961 cities worldwide found that 69 percent, or 665 cities, are now experiencing significantly more dangerous humid heat days because of climate change. On average, these cities recorded 46 additional dangerous humid heat days each year during the last decade compared with a world without human-caused warming.

Researchers say the findings highlight how climate change is evolving from an environmental concern into a growing public health emergency, particularly in regions already struggling with heat exposure, limited access to cooling and inadequate health infrastructure.

What Is Humid Heat?

Scientists often use “wet-bulb temperature” to measure humid heat. The metric combines air temperature and humidity to estimate how effectively the human body can cool itself through sweating.

Climate Central defines wet-bulb temperatures of 25°C or higher as dangerous humid heat conditions. When humidity and temperature combine to push wet-bulb temperatures upward, the body’s natural cooling system becomes less effective.

In extreme conditions, the body can no longer regulate its temperature adequately, increasing the risk of heat exhaustion, heat stroke and even death.

Older adults, children, pregnant women and people with pre-existing health conditions face the greatest risks. High humidity can worsen cardiovascular stress, respiratory illnesses and other heat-related health complications.

“Dangerous humid heat has more than doubled since the 1970s. We’re already seeing the consequences play out in real time,” said Lisa Patel, Clinical Associate Professor of Pediatrics at Stanford Children’s Health and Executive Director of the Medical Society Consortium on Climate and Health.

“As a pediatrician, these numbers are a wake-up call. This kind of data is exactly the tool clinicians and public health officials need to anticipate where heat-related illness will strike and who is most at risk before people end up in the emergency room.”

How Humid Heat Is Affecting India

Humid Heat in India is already becoming visible in several cities, particularly along the country’s southern and eastern coasts.

According to Climate Central’s analysis, Tamil Nadu emerges as India’s most affected state. Tirunelveli experiences an average of 273 dangerous humid heat days annually, the highest among Indian cities. Chennai follows with 257 days, while Tiruchirappalli records 251. Vijayawada and Visakhapatnam in Andhra Pradesh, along with Kolkata and Mumbai, are also among India’s humid-heat hotspots.

The danger does not end when people move indoors.

A separate study by Climate Trends found that heat exposure frequently continues inside homes. Researchers monitored temperatures and humidity in 50 low- and middle-income households in Chennai between October 2025 and April 2026 and found that indoor temperatures regularly exceeded 32°C.

Some households experienced more than 5,700 hours above this threshold—equivalent to nearly eight months of continuous heat exposure. Most households recorded between 3,000 and 5,000 hours of such conditions.

The findings suggest that for many urban residents, especially those without access to air conditioning, relief from heat remains elusive even indoors.

Heat, Menopause and Everyday Life

For women such as Radha, humid heat can intensify already challenging health conditions.

The World Health Organization notes that hot flushes and night sweats are among the most common symptoms associated with menopause. These episodes involve sudden sensations of heat in the face, neck and chest, often accompanied by sweating, flushing, palpitations and discomfort.

Women who have undergone hysterectomy are known to experience more frequent and severe hot flushes. According to NFHS-5 data, nearly one in ten women aged 30 to 49 in some regions of India have undergone the procedure.

As temperatures and humidity rise, these symptoms can become even more difficult to manage, adding another layer to the health impacts of climate change that often goes overlooked.

A City Struggling to Cool Down

In Mumbai, 59-year-old driver Vikas says heat has become one of the city’s biggest challenges.

Water shortages are becoming more common, and even routine outdoor work is growing increasingly difficult.

“Sometimes people go to the beach at night just to find some relief from the heat. Even a brief spell of rain feels like a blessing now,” he says. “The problem is only going to get worse.”

Small businesses and street vendors operate along a busy lane in Dharavi, Mumbai, highlighting everyday life in a densely populated neighbourhood vulnerable to rising temperatures and humid heat in india
A street scene in Mumbai’s Dharavi. Residents in densely populated urban neighbourhoods often face prolonged exposure to heat and humidity, with limited access to cooling. Image: Dipin Damodharan/EdPublica

His observations echo broader climate trends in the Mumbai Metropolitan Region. Climate Central’s analysis shows that Mumbai experiences an average of 206 dangerous humid heat days annually, while nearby Dombivli and Thane record even higher numbers. The conditions he describes are reflected in current forecasts. Climate Central projected a daily high wet-bulb temperature of 25.6°C in Mumbai on June 23, a level considered dangerous humid heat.

Surfing Through a Hotter Coastline

Further south, the effects are also being felt along India’s coast.

Rajaguru, a surfing instructor in Puducherry, says summers are arriving earlier than before, often beginning in February instead of March.

“We go surfing early in the morning, but even then the heat feels much more intense than it used to,” he says. “Sunburns and skin rashes are becoming common. Summer arrives with extreme heat, while the monsoon season increasingly brings cyclones.”

He has also noticed rising sea temperatures and changes in water conditions that affect both tourism and outdoor activities.

For people whose livelihoods depend on spending long hours outdoors, humid heat is becoming more than an inconvenience—it is becoming an occupational hazard.

The Vulnerability Gap

These experiences reflect a larger challenge facing India. The impacts of Humid Heat in India are magnified by inequalities in access to cooling, housing and reliable electricity.

Between 1995 and 2024, the country experienced 430 extreme weather events, resulting in more than 80,000 deaths and economic losses exceeding USD 170 billion. Rapid urbanisation has intensified the urban heat island effect, making cities significantly hotter than surrounding rural areas.

The latest Climate Change in the Indian Mind survey found that 84 percent of Indians report experiencing the effects of global warming. Yet only 15 percent of households own an air conditioner and 27 percent have access to an air cooler.

Even for those with cooling systems, reliable electricity is not guaranteed. Around 66 percent of Indians experience power disruptions on a typical day, even as demand surges during heatwaves. On May 21, 2026, India’s peak electricity consumption reached a record 270 gigawatts.

Despite being the world’s third-largest emitter of carbon dioxide, India’s per-capita emissions remain relatively low, reflecting deep inequalities in energy consumption and access.

For millions of people, escaping extreme heat is simply not an option.

When the Air Stops Offering Relief

Dangerous Humid Heat in India is already reshaping how people live, work and survive. As temperatures and humidity continue to rise, the boundary between uncomfortable and life-threatening conditions is becoming increasingly thin.

For millions of Indians, the challenge is no longer adapting to hotter days. It is adapting to air that no longer offers relief. As humidity rises alongside temperatures, surviving heat may become as much about access to cooling and electricity as it is about climate itself.

The future of climate adaptation may begin not in policy documents or air-conditioned offices, but in homes, buses, streets and workplaces where the heat is already impossible to ignore.

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Climate

Climate Risks Shadow India’s Data Centre Boom, New Global Report Warns

Climate risk to data centres is rising in India, with extreme heat threatening operations in key digital infrastructure hubs, says a new report.

Vaishnavi V S

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Climate Risk to Data Centres is emerging as a critical challenge for India's digital ambitions
Image credit: Panumas Nikhomkhai/Pexels

Climate Risk to Data Centres is emerging as a critical challenge for India’s digital ambitions. A new global study warns that extreme heat and infrastructure disruptions could threaten planned data centres in some of the country’s fastest-growing technology hubs.

Data centres are becoming an indispensable part of modern economies. They are often promoted as projects that generate employment and boost local economies. Yet, their rapid expansion is increasingly colliding with the realities of rising climate risks.

A new report released by climate risk consultancy XDI warns that some of the world’s fastest-growing destinations for data centre investment are also emerging as climate-risk hotspots. India, one of the fastest-growing digital economies, ranks 11th globally in terms of physical climate risk to planned data centre infrastructure.

Climate Risk to Data Centres Challenges India’s Digital Ambitions

The report, 2026 Global Analysis of Planned Data Centres for Physical Climate Risk and Resilience, assessed 2,595 planned data centres worldwide. It analyzed the risks of direct physical damage from climate hazards, operational disruptions caused by extreme heat, and indirect threats due to failures in supporting infrastructure such as electricity, water supply, telecommunications, and transport.

Climate risk to data centres: Extreme heat and infrastructure disruptions could threaten planned data centres in some of the country's fastest-growing technology hubs
Extreme heat and infrastructure disruptions could threaten planned data centres in some of the country’s fastest-growing technology hubs. Image credit:Brett Sayles/Pexels

Climate Risks to Data Centres & The Southern States

While India narrowly misses the top ten in overall physical risk rankings, the findings on heat-related disruptions are more concerning. States including Tamil Nadu, Telangana, and Karnataka have been identified among the top 30 regions worldwide with the highest projected operational disruption risk due to extreme heat for planned data centres.

The warning comes at a time when India is investing heavily in digital infrastructure to support artificial intelligence, cloud computing, and data storage. However, the study suggests that the long-term viability of these investments could depend as much on climate resilience as on technological capability.

Extreme Heat Threatens Operations

According to XDI, South Asia has one of the highest proportions of high-risk planned data centres globally. Facilities in the region are already classified as high risk under low-resilience construction settings, and this risk is projected to increase sharply by the end of the century. Europe is exposed to a 289% increase in average damage risk by 2100, even though it has only 7% of planned data centres at high risk.

“Much of the debate has focused on energy demand and water consumption. But physical climate risk is becoming an increasingly important consideration in its own right” Dr. Karl Mallon, Founder and Head of Science and Technology at XDI.

“The question is no longer simply where the next generation of digital infrastructure gets built, but whether those assets can remain operational, insurable, and economically resilient over their intended life,” he added.

Extreme heat is emerging as one of the biggest operational threats to data centres globally. Facilities depend on large-scale cooling systems to maintain servers and prevent outages. Rising temperatures increase cooling costs, place greater stress on electricity grids, and raise the risk of service interruptions.

The report finds that countries such as India, Brazil, Mexico, Indonesia, and Spain already record some of the highest projected operational disruption risks from heat, with more than 75% of analysed facilities classified as high risk.

A Window to Build Climate Resilience

The report also highlights the importance of indirect risks. A data centre may be designed to withstand extreme weather, but it remains vulnerable if surrounding infrastructure fails. Power outages, water shortages, damaged roads, or disruptions to telecommunications networks can all affect operations.

XDI noted that a separate analysis of data centres in Europe found that productivity losses become ten times higher when these indirect risks are considered alongside direct physical damage. The study, however, emphasises that future risks are not inevitable. Decisions taken during the planning stage, including site selection, engineering standards, and investments in climate resilience, can significantly reduce vulnerability before facilities are built. As global investment pours into AI and digital infrastructure, the report argues that climate resilience must become a central component of planning.

“Future risk is not fixed,” Mallon said. “Unlike existing infrastructure, planned data centres create a window of opportunity. Decisions made today may materially influence future performance, insurability, and operational continuity.” For India, where digital ambitions are expanding rapidly, the report serves as a reminder that the infrastructure powering the future must also be prepared for a warmer and more climate-uncertain world.

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