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Climate change is a 'global health emergency' and the harms are accelerating, Lancet report warns
Researchers say climate change drove record heat deaths and more than $1 trillion in lost income, while vulnerable regions faced the steepest GDP losses.
On Wednesday, researchers from University College London and the World Health Organisation published a report demanding Climate Change be declared a global health emergency before next month's Cop31 conference.
Professor Marina Romanello of the Lancet Countdown said health risks escalated faster in the decade since the Paris Agreement, with annual heat-related fatalities surging by almost 36 per cent.
Extreme heat contributed to a record 710,000 fatalities in 2023, with researchers attributing over 70 per cent directly to man-made warming as fossil fuels still provide over 80 per cent of energy.
Severe drought affected nearly 52 per cent of global land for at least one month in 2025, while the world swings to water extremes—some regions drying out, others flooding.
Clean energy funding hit a record in 2025, though researchers warn top oil producers will surpass production limits compatible with 1.5C by 150 per cent by 2040, undercutting progress.