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A new landmark study by Cambridge University has found a strong link between long-term exposure to air pollution and an increased risk of dementia, raising urgent health concerns for countries like India where pollution levels remain consistently high. Published in The Lancet Planetary Health, the research analysed data from over 29 million people across 51 studies, making it the most comprehensive global review to date on air pollution and dementia. The findings confirm that fine particulate matter (PM2.5), nitrogen dioxide (NO₂), and black carbon (soot) significantly increase the risk of developing the neurodegenerative condition. What the study found The study reveals that for every 10 μg/m³ rise in PM2.5 microscopic particles released from vehicles and power plants the risk of...

A new study by Ahmedabad University has found that the air inside homes and buildings can be more polluted than the air outside often by a significant margin. The research revealed that levels of particulate matter (PM) indoors were up to 2.5 times higher than those recorded outdoors, even when there were no direct indoor sources of pollution. The findings challenge the widely held belief that staying indoors offers protection from air pollution. The study, conducted across various urban households, also showed that moderate to very poor air quality days were more frequent inside homes than outside. The researchers linked the rise in indoor PM levels to common household practices such as the use of perfumes, disinfectants, room sprays, and even routine activities like cooking. “Pe...

The cracks in Joshimath were a warning, not an isolated event. When buildings in this Uttarakhand town began to sink in 2023, it wasn’t just a local disaster it exposed a far larger crisis: India growing disregard for ecological limits, both in mountains and cities. The idea of carrying capacity the threshold beyond which nature can no longer sustain human activities first gained traction in the 1970s. Today, it has become more urgent than ever. While the term is often used in the context of fragile mountain ecosystems, the reality is this: no ecosystem, rural or urban, can be pushed beyond its limit without severe consequences. Despite decades of discussing “sustainability,” few practices today truly live up to that name. Projects that are financially self-sustaining are quickly lab...

As temperatures across southern Europe soar to record breaking highs, Turkey has hit a historic new peak 50.5°C the highest ever recorded in the country history. Registered in the southeastern town of Silopi, near the borders of Iraq and Syria, the extreme heat has turned routine life into a battle for survival. Turkey’s Environment Ministry confirmed the record on Saturday, noting that 132 weather stations across the country logged record-high temperatures for the month of July. The previous national record of 49.5°C was set in August 2023. The brutal heatwave has triggered a series of devastating wildfires across Turkey, with high winds and dry conditions fuelling flames in provinces from Antalya to Eskisehir. In Eskisehir alone, 13 forest workers and rescuers died while battling a...

In the heart of Mumbai lies Dharavi Asia largest slum, a dense labyrinth of humanity where over a million people live and work in crammed, often hazardous conditions. Now, it stands at the brink of a colossal transformation. The man behind it? Gautam Adani. Navigating Latur Galli in Dharavi is like stepping into another world. In this tightly packed warren of homes and workshops, 58-year-old Basavraj Swami shares a 70-square-foot room with eight family members. There’s barely space to breathe, let alone move. At night, Swami sleeps under the bed, his daughter on top of it, and his elderly mother on a mat. Lofts stacked above serve as sleeping quarters for others. The main door remains shut not for safety, but to keep rats out. This is the reality that Adani Group now aims to change, ...

Pakistan has issued a fresh alert for glacial lake outburst floods (GLOFs) in its northwest, particularly in Khyber Pakhtunkhwa, as the region faces intense rainfall and rising temperatures. With more heavy rain forecast over the coming week, disaster management authorities are on high alert. Spokesperson Anwar Shahzad from the Khyber Pakhtunkhwa Disaster Management Authority noted that downpours in the region have already surpassed last year’s levels. A warning letter issued mid-July cautioned that “persistent high temperatures may accelerate snow and glacier melt,” triggering flooding in vulnerable mountain areas. One of the worst-hit spots is the scenic town of Naran, where a cloudburst late Friday night caused a major road closure. More than 500 stranded tourists were rescued, co...

As heatwaves grip continents and push temperatures to dangerous extremes, the United Nations marked the first anniversary of its Call to Action on Extreme Heat on July 25, urging global leaders to treat rising heat as an urgent health and climate crisis. Nearly 100 million people in the United States alone were under heat alerts this week, while Europe, Asia, North Africa, and Latin America continue to battle escalating heat emergencies. From power outages in Iran to wildfire-triggered evacuations in Greece, the impact of extreme heat is no longer seasonal it’s becoming a year-round global threat. “Extreme heat is sometimes called the silent killer, but with today’s science, data, and technology, silence is no longer an excuse,” said Ko Barrett, Deputy Secretary-General of the World ...

In a remarkable display of people-powered environmental action, more than 10,000 villagers across coastal Tamil Nadu have helped revive the state’s largest mangrove forest the 2,057-hectare Muthupet wetlands using a mix of traditional knowledge, scientific design, and grassroots mobilisation. Located where the Koraiyar and Pamaniyar rivers meet the Palk Strait, the Muthupet wetland complex plays a critical role in supporting biodiversity, protecting villages from storm surges, and acting as a vital fish nursery. But in recent decades, silt accumulation, blocked tidal flows, and canopy loss had left vast tracts barren and degraded, threatening the livelihoods of local fishing communities. Under the Green Tamil Nadu Mission, launched in 2022, the Tiruvarur Forest Division, led by Distr...

The Supreme Court on Wednesday came down heavily on the Telangana government for clearing forest land under the pretext of sustainable urban development, stating that no authority can “destroy forests overnight” in the name of progress. The case pertains to nearly 400 acres in the ecologically sensitive Kancha Gachibowli area of Hyderabad a region that has seen rapid real estate and infrastructure expansion due to its proximity to the city’s IT corridor. The court had earlier halted all deforestation in this zone in April through suo moto proceedings. Chief Justice of India Bhushan R Gavai, heading the bench, said, “I am an advocate of sustainable development, but that does not mean you will employ 30 bulldozers overnight and destroy all forest land.” His comments came after visuals ...

As China grapples with intensifying heatwaves, the country’s industrial sector is undergoing a quiet but powerful transformation. A new study shows that rising temperatures are pushing Chinese firms to innovate faster not just in areas directly hit by heat but across the entire economy driven by shifting consumer demand and tighter government climate policies. The research by Long and Wang (2025) reveals that since 2003, climate stress has led to an 8.62% rise in patents for adaptation technologies such as cooling systems and a 10.68% jump in patents aimed at climate mitigation, including carbon reduction tools. What’s striking is that these innovations often emerge in regions that are not the hottest highlighting that companies are responding to where their customers need solutions the...