CarbonTracker is a tool for modelling sources and sinks of carbon dioxide. Users can download the code, carbon dioxide data, and the tool's carbon flux estimates to conduct their own analyses or to help improve the system.

Climate change is a global phenomenon, affecting weather events around the world.

CFSv2 ensemble forecast Nino3.4 sea-surface temperature

The chance of an El Nino has dropped to about 65%. What led to this change in the forecast?

This interactive visualization is a suite of weather and climate datasets as well as tools with which to manipulate and display them visually.