CMCC–CESM–NEMO is the physical basis of the new CMCC (Centro Euro-Mediterraneo sui Cambiamenti Climatici) Earth System Model (CMCC-ESM). It is a global coupled climate model derived from the NCAR coupled model CESM, where the ocean component is NEMO rather than the NCAR ocean model. In CMCC-CESM-NEMO all the climate components (atmosphere, ocean, land and sea-ice) are fully coupled.

IS-ENES2 partners can access the CMCC-CESM-NEMO model source code and input data through FTP. Credentials can be requested by email ().

General guidelines for compiling, running, and verifying numerical correctness of the results as well as performance reference are provided on Wiki.