Beta This website is in development — content and design are still changing
IAMC

Model

RICE50+

A regionally disaggregated cost–benefit integrated assessment model derived from the RICE family, extended to 57 regions and used for questions about damages, equity and the social cost of carbon.

RICE50+

Model structure

A regionally disaggregated cost–benefit integrated assessment model derived from the RICE family, extended to 57 regions and used for questions about damages, equity and the social cost of carbon.

Full documentation for this model is maintained by the institution that develops it; follow the link in the sidebar. A longer description will be added here as the documentation portal is migrated.

More models

Celebrating the Release of GCAM-China-v8 to Support China’s National Climate Assessment

On April 12, 2026, the Center for Global Sustainability at the University of Maryland, Peking University and Tsinghua University celebrated the release of GCAM-China-v8. This update introduces a series of new features, including harmonization with the latest global GCAM v8.2 framework, updating the base year to 2021, introducing a provincial-level

IFs Model: Updates and Resources SSPs

We are pleased to share several recent developments and resources that may be of interest to the community: Preprint on New SSP OperationalizationA preprint article has been released introducing a new operationalization of the Shared Socioeconomic Pathways (SSPs) for 188 countries through 2150. This work covers a wide range of