NOTICE (September 2017): Data previously stored at the CDIAC archive are being transitioned to the new, ESS-DIVE archive. This website provides access to the CDIAC data during the transition. If you have any questions regarding the new archive or the data 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).