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A new study published in Nature on July 21, 2025, has uncovered a dangerous intersection of extreme heat and worsening air quality in Kigali, Rwanda offering a stark warning for fast-growing cities across sub-Saharan Africa. The research, conducted between May 2021 and December 2024, shows how Kigali’s rapid urbanisation coupled with vehicle emissions, biomass burning, and stagnant air conditions has created a perfect storm of heat and pollution. As one of Africa’s fastest-growing capitals, Kigali now faces increasingly frequent heatwaves and high levels of harmful pollutants like PM2.5, nitrogen dioxide (NO₂), and ozone (O₃). Drawing data from 12 air quality monitoring stations operated by the Human Environment, Location, Transport and Health Research Lab and Rwanda’s Environmental ...

As Europe swelters under record-breaking summer temperatures, a new and unlikely political flashpoint has emerged: air conditioning. Once viewed as a luxury or even a symbol of American excess, air conditioning is rapidly becoming a necessity in cities across the continent and a source of fierce political debate. A brutal heatwave that gripped Western Europe in June and July triggered a rush on air conditioners, leaving appliance stores across France, Germany, and Italy scrambling to meet demand. The heat arrived earlier than usual, catching many off guard before their usual summer exodus to the coast. In France alone, over 1,000 schools were forced to partially or fully close due to a lack of cooling infrastructure. Europeans are now grappling with a tough question: how to balance t...

Baoding, a major city in northern China’s Hebei province, has been battered by unprecedented rainfall, receiving nearly a full year’s worth of precipitation within just 24 hours. The relentless downpour forced the evacuation of over 19,000 residents and marked one of the most intense storm events the region has ever recorded. According to the China Meteorological Administration (CMA), the western part of Baoding, including Yi County, registered 447.4 mm of rainfall approaching the city’s average annual total of around 500 mm. The storm’s intensity shattered historical records across Hebei and overwhelmed local infrastructure, triggering flash floods and disrupting daily life. The deluge is being viewed as part of a wider pattern of intensifying extreme weather events across East Asia...

Africa is witnessing a surge in climate litigation as the continent battles an escalating climate crisis marked by deadly floods, droughts, and heatwaves. A total of 14 out of 23 documented climate-related lawsuits in Africa were filed between 2021 and 2025 its most climate-disaster-prone period so far according to new data compiled by Down To Earth and the Sabin Center for Climate Change Law. During this period alone, over 221 million people were affected by extreme weather events, highlighting the urgency with which communities and civil society are turning to courts to demand accountability and climate justice. Rising Legal Action Amid Worsening Disasters While Africa represents only 0.87% of the over 2,630 climate litigation cases filed globally since 2011, the trend on the cont...

  As India confronts an escalating climate crisis, it is the nation’s most vulnerable its children who are facing the harshest consequences. In remote villages and crowded urban slums, from Odisha to Assam, the connection between rising temperatures and shrinking meals is growing painfully clear. Climate change, once viewed as an environmental concern, is now deepening child hunger, stunting growth, and disrupting childhoods in silence. Erratic weather patterns scorching heatwaves, flash floods, long droughts are wiping out crops and livelihoods, leaving families without food and children with empty plates. In Balangir, Odisha, a child who once had three meals a day now survives on plain rice and salt. In Assam’s Barpeta district, families displaced by floods struggle for basic ...

The sacred Amarnath ice lingam, a natural stalagmite formation venerated by millions of Hindu devotees as a symbol of Lord Shiva, has melted prematurely once again raising urgent questions about the ecological toll of unchecked tourism, road expansion, and climate change in the fragile Himalayas. This year, the lingam had already melted by over 50% before the annual yatra began on July 3, and by mid-July, 95% of over 2.5 lakh pilgrims had to return without a glimpse of the sacred structure. Veteran Kashmir-based journalist Ashraf Wani, who has reported on the yatra for three decades, called the scene at the shrine “the most disheartening in recent memory.” Comparing visuals from 1998 and 2025, Wani said, “What was once a snow-filled spiritual journey is now a dusty, degraded trail ov...

A groundbreaking global study has revealed that over 90% of Earth underground fungal biodiversity hotspots are unprotected raising alarms over a hidden ecosystem that vital to combating climate change boosting crop productivity, and maintaining biodiversity. Scientists from the Society for the Protection of Underground Networks (Spun) have unveiled the first high-resolution global maps of mycorrhizal fungi networks living beneath the soil that connect plant roots and regulate ecosystem health. The maps show that only 9.5% of these biodiversity-rich zones fall within legally protected areas, leaving the majority exposed to human threats like deforestation, land degradation, and climate stress. “These fungi are ecosystem engineers,” said Dr Toby Kiers, executive director of Spun. “They...

As Earth continues to heat up, scientists are detecting early warning signs of abrupt and potentially irreversible shifts in key climate systems from the Amazon rainforest to the Arctic Ocean and the Tibetan Plateau. In a groundbreaking study published in AGU Advances, researchers used a computer vision technique originally designed for identifying edges in digital images to scan through more than 150 years of simulated climate data. The technique helped flag when and where rapid climatic shifts could happen in the coming decades. The results are stark: Out of 57 advanced climate models analyzed, 48 showed at least one abrupt transition in a climate subsystem. These shifts could dramatically alter ecosystems, rainfall patterns, and global weather behavior. A New Lens on Climate In...

A dramatic geological transformation is quietly unfolding beneath East Africa, where scientists believe the continent is slowly splitting apart potentially giving rise to a brand-new ocean in the distant future. This tectonic activity is centered in the Afar region, where three major plates the Nubian, Somali, and Arabian are pulling away from each other. The movement is occurring along the East African Rift System, a 5,000-kilometre-long fracture zone that stretches from the Red Sea to Mozambique. Experts say this slow rifting could eventually separate eastern Africa from the rest of the continent and allow seawater from the Red Sea and the Gulf of Aden to rush in, forming Earth’s next ocean. Recent satellite data and GPS measurements show that the Arabian Plate is moving away from ...

As the Maharashtra government pushes ahead with a massive redevelopment plan for Dharavi, one of Asia’s largest informal settlements, deep concern is growing among thousands of residents who may be forced to leave their homes. While the project promises sleek infrastructure and formal housing, many fear that relocation to some of Mumbai most hazardous areas could spell a public health crisis. The Dharavi Redevelopment Project launched in 2024, aims to transform the 620-acre slum into a modern urban township, spearheaded by a joint venture between the Adani Group and the state’s Slum Rehabilitation Authority. But not everyone in Dharavi will benefit. Up to 100,000 residents without the required documents have been deemed “ineligible” for rehabilitation within Dharavi and face being reloc...