Technical Report
Ongoing / landing page
State of the Global Climate 2025
World Meteorological Organization (WMO)
Summary
WMO’s flagship annual report on the climate indicators for 2025: temperature, greenhouse gas concentrations, ocean heat, sea level, sea ice and glaciers, alongside extreme events.
Original summary written for The Free Degrees. Not an official abstract.
Key themes
Key climate indicators for the year
Extreme events and their impacts
Long-term trends
Scope and limitations
Covers the year 2025. Earlier editions are available from WMO publications.
Findings
Findings are not restated here. Please read them in the original source, where they appear with their stated confidence and context.
Citation
World Meteorological Organization. State of the Global Climate 2025. WMO, Geneva.