Understanding Climate Change

A global warming primer


The Quick View

Hot Questions about Climate Change

Short audio pieces and text provide quick answers to basic global warming questions

Frequently Asked Questions

Beyond the basics: answers to the most frequently asked questions we hear about the state of Earth's climate


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Explore the Science 

An overview of

Climate Change Research at NCAR

Impacts of Global Warming on the Environment

For students and educators

Learning Zone: Climate (UCAR Center for Science Education)


Climate Modeling (UCAR Center for Science Education)


How Do We Investigate Climates of the Past?  (Windows to the Universe)


For researchers

Research Groups

Climate & Global Dynamics Division (NESL/CGD)

Institute for Mathematics Applied to Geosciences (CISL/IMAGe)

Climate Models & Scenarios

Community Earth System Model (CESM)

Nested Regional Climate Model (NRCM)

North American Regional Climate Change Assessment Program (NARCCAP)

Whole Atmosphere Community Climate Model (WACCM)


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The University Corporation for Atmospheric Research manages the National Center for Atmospheric Research under sponsorship by the National Science Foundation. Any opinions, findings and conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.