NOTICE (March 2018): This website provides access to the CDIAC archive data temporarily. It will be gradually transitioned into data packages in the new ESS-DIVE archive. This site will continue to operate in parallel during and after the transition, and will be retired at a future date. If you have any questions regarding the data or the transition, please contact

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Information Analysis Center

Anonymous FTP Service

CDIAC's anonymous FTP service provides the data files, retrieval codes, and descriptive files for all available Numeric Data Packages (NDPs), databases, and Computer Model Package (CMP).