Heatwaves killed 3M globally 2016-2023; study urges health emergency declaration

A specialized report estimates 3 million deaths from heatwaves between 2016 and 2023, prompting calls for climate change to be declared a global health emergency to prioritize adaptation funding. The figure is an estimate from a single report, not yet independently corroborated. This elevates heat-related mortality as a systemic health threat requiring government action.

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