Earth System Grid Federation

An open source effort providing a robust, distributed data and computation platform, enabling world wide access to Peta/Exa-scale scientific data.

Learn more »

Dear ESGF community

To protect the integrity of the ESGF data archives, we have decided to overhaul the entire ESG Federation of data nodes. We plan to have the updated version of ESGF available the week of September 21st, and access to nodes will be restored as they come online after that date.

Updates concerning the overhaul of ESGF will be posted here.

Note that this announcement affects all ESGF data, including CMIP5 output, but data from CMIP3 simulations remains available via (see also