CESM2 press release

The primary goal of the Community Earth System Model (CESM) project is to develop a state-of-the-art climate model and to use it to perform the best possible science to understand climate variability and global change. We will strive to build a CESM community of users who are interested in participating in this project.

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A list of publications that used CESM in their research as well as how to acknowledge CESM if used in your publications

CESM Metrics

View our metrics of the Community Earth System model including GitHub, DiscussCESM, Web, and SVN

Who We Are

CESM is a fully-coupled, community, global climate model that provides state-of-the-art computer simulations of the Earth's past, present, and future climate states.

The CESM project is supported primarily by the National Science Foundation (NSF). Administration of the CESM is maintained by the Climate and Global Dynamics Laboratory (CGD) at the National Center for Atmospheric Research (NCAR).


Learn about the background & history of CESM from when it was created in 1983

Support Policy

View the policies regarding to support of CESM and other details

CESM Administration

Learn more about the CESM management, administration, and governance


View past winners of CESM Distinguished Achievement Awards & CESM Graduate Student Awards

Frequently Asked Questions

View a list of our frequently asked questions

Contact Us

View how to contact us and the contact information for staff