AI Summary

Record heat is disrupting work, overwhelming hospitals and causing thousands of deaths worldwide, prompting international experts to urge that climate change be formally designated a global health emergency. The call appears in The Lancet’s 2026 Countdown on Health and Climate Change report, which documents that risks and harms from extreme heat and drought are increasing more rapidly than climate‑action efforts. The report notes that, despite a decade of growing investment in transitioning away from fossil fuels, mitigation measures have not kept pace with escalating impacts.

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