Data tells a story.
Every figure needs context. Explore what we measure, where data comes from and which comparisons are valid.
Initial reference collection: observation and retrieval dates are kept separately. Historical series show their version and pending reviews; these are not live data.
Atmospheric CO₂
425.62 ppm
2025 Global
NOAA Global Monitoring Laboratory Review pending
Temperature anomaly
1.6 °C
2024 Global
Copernicus Climate Change Service / ECMWF Review pending
Renewable capacity
4,448 GW
2024 Global
IRENA Review pending
Solar capacity
1,865 GW
2024 Global
IRENA Review pending
Wind capacity
1,133 GW
2024 Global
IRENA Review pending
New renewable capacity
585 GW
2024 Global
IRENA Review pending
Every figure in context
Records identify period, geography, unit, reference and methodology. A missing value remains missing, never zero.
A source can change
We retain snapshots of every import. Revisions open editorial tasks to check affected charts and explanations.