Overview
- The Summer 2026 heat wave, described by Copernicus as the warmest on record for Western Europe, caused mass heat deaths, widespread wildfires and transport and water disruptions.
- A Lancet report led by University College London finds an average of about 540,000 heat‑related deaths per year from 2016–2023 and an estimated 710,000 deaths in 2023, and its authors urge the WHO to declare a health emergency.
- The European Commission has proposed a climate‑resilience law that sets common warming baselines (1.5°C by 2030, 2°C by 2050, 3°C by 2100) and a European Climate Viewer web tool to harmonize local risk assessments and guide planning.
- Officials estimate the summer and recent years caused very large economic losses (over €100bn for the summer and roughly €200bn for 2022–2025) while the Commission says about €70bn per year is needed for adaptation and several major donors have cut related funding.
- Cities and municipalities are already using urgent measures such as cooling rooms, water trucks, urban greening and digital twins, and local leaders warn vulnerable people will keep suffering unless legal mandates and new funding are rapidly delivered.