CESM Development Blog

View CESM development updates from the Software Engineering Working Group (SEWG).

Community Earth System Model

Community Earth System Model 3 (CESM3): Plans, progress, timelines

Nov 18, 2025

Information on the science and infrastructure updates and timelines planned for the forthcoming CESM3 release.

CESM-Lab Graphic

New CESM Development Blog

Jul 1, 2024

News articles featuring updates for CESM development