The year 2024 was the hottest on record, with catastrophic consequences for the health, lives, and livelihoods of people across the globe, says a new report of The Lancet Countdown on Health and Climate Change. Worldwide, the average person was exposed to a record extra 16 health-threatening hot days owing directly to climate change, with the most vulnerable (those aged under 1 year and over 65 years) experiencing, on average, an all-time high of 20 heatwave days—a 389% and 304% increase, respectively, from the 1986–2005 yearly average.

In 2024, people in India were exposed to 19.8 heatwave days each, on average. Of these, 6.6 days of exposure would not have been expected to occur without climate change. Compared to 1990-1999, in 2024, people were exposed on average to 366 more hours duri

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