Climate Change
The long-term shift in global temperatures and weather patterns driven by human activity.
Explore
Explore Climate Data
Global Climate Update
Whole-planet temperature, CO₂, sea ice and ENSO in one live snapshot
Regional Updates
Temperature anomalies for 160+ regions - continents, countries, US states and UK regions
4byo Climate Helix
Year-on-year temperature spirals for the globe and 160+ countries and regions
4byo Climate Symphony
ENSO, NAO, polar vortex and CO₂ in one compound stack - live and forecast
ENSO Tracker
El Nino and La Nina - live Nino 3.4 anomalies, NOAA forecast and global impacts
Greenhouse Gases
CO₂, methane and N₂O concentrations from ice cores to today
Planetary Boundaries
Nine Earth-system thresholds - how close are we to irreversible change?
Sea Levels & Ice
Ocean heat, sea level rise and Arctic and Antarctic sea ice extent
Extreme Weather
Live GDACS alerts and long-term EM-DAT disaster trends since 1960
Shifting Seasons
How climate change is moving spring and autumn timing worldwide
Climate Rankings
League table of temperature anomalies across 144 regions this month
Climate Explained
Plain-English guide to the science behind global warming