The World Health Organization (WHO) and global allies warn world leaders that neglecting climate adaptation is already costing millions of lives, straining economies, and damaging ecosystems, according to the 2025 Lancet Countdown report released ahead of COP30.
Titled “Running on Empty”, the report highlights 12 out of 20 key health risk indicators reaching record highs from climate inaction, including a 23% rise in heat-related deaths, 546,000 annual fatalities, and 124 million facing food insecurity due to droughts and heatwaves.
Dr. Jeremy Farrar from WHO calls the climate crisis “a health crisis,” urging immediate moves to slash fossil fuel reliance and boost climate-resilient healthcare, cleaner air, and nutritious diets.
Despite challenges—like $956 billion spent on fossil fuel subsidies in 2023, tripling funds pledged for vulnerable nations—progress shows renewable energy now accounts for 12% of electricity and prevents 160,000 premature deaths yearly.
Dr. Marina Romanello of University College London urges rapid fossil fuel phase-out and sustainable food systems to save millions of lives, noting cities and health systems are leading efforts worldwide.
With nearly 60% of countries completing adaptation plans, the report presses for faster global commitment and a health-focused approach ahead of the Belém Action Plan.
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