India, Dec. 30 -- Heatwaves were the deadliest climate disasters of 2025, killing more people than floods, storms or wildfires, a new scientific report finds

Poor and marginalised communities were hit hardest, as extreme heat interacted with poverty, lack of cooling and weak infrastructure

For the first time, the three-year global temperature average crossed 1.5degC, signalling dangerous limits to adaptation, scientists warn

While climate change fuelled a year of devastating extreme weather across the world in 2025, heatwaves - often described as "silent killers" - were the deadliest climate-related disasters, disproportionately affecting poor and marginalised communities, according to a new annual report by World Weather Attribution (...