2026 Lancet Countdown: Climate Health Emergency
By Sustainability Awakening • Dr. Ahmad Mahmood
10th Report
Health emergency
146 experts call for a global health emergency declaration.
Source: Lancet 2026
Post-Paris
Heat deaths +36%
Annual heat deaths rose 36% since the 2015 Paris deal.
Source: Lancet · WHO
Attribution
710,000 deaths in 2023
Over 70% of 2023 heat deaths came from human warming.
Source: Lancet 2026
Labor shock
573B hours lost
Wage loss$1.07T
Hardest hitFarms & build
Source: Lancet 2026
Water stress
51.8% land in drought
Over half of global land hit extreme drought in 2025.
Source: Lancet 2026
Bright spot
$2.1T clean energy
2025 clean energy investment beat fossil fuels by 82%.
Source: IEA · Lancet
Co-benefits
Cleaner air saves
Cleaner air already prevents thousands of early deaths.
Source: WHO 2026
Methodology
Heat vs cold
Mild winters cannot offset tropical wet-bulb heat spikes.
Source: Attribution
COP31 push
WHO is responding
WHO runs a graded emergency response to El Niño.
Source: WHO · Lancet