The IPCC is the United Nations body for assessing the science of climate change.

Get data covering climate systems, resilience, greenhouse gas, and energy use.

CDO from NOAA provides free access to historical weather and climate data.

NCEI from NOAA. Get access to over 26,000 datasets and products. Formerly NCDC.

Thousands of free and open data products and long-term measurements of Earth from NASA.

Find data related to climate change to help inform and prepare the U.S. for our future.