Highlights

Since 1989, the U.S. Global Change Research Program (USGCRP) has submitted annual reports to Congress called Our Changing Planet. The reports describe the status of USGCRP research activities, provide progress updates, and document recent accomplishments.

In particular, Our Changing Planet highlights progress and accomplishments in interagency activities. These highlights represent the broad spectrum of USGCRP activities that extend from Earth system observations, modeling, and fundamental research through synthesis and assessment, decision support, education, and public engagement.

Inside the prototype for SPRUCE experimental chambers. (Credit: DOE)

The continual cycling of carbon through the atmosphere, oceans, soil, and living organisms is an essential function of the Earth system. The U.S. Carbon Cycle Science Program (under the auspices of USGCRP; carboncyclescience.us) and USGCRP agencies are working to understand how climate change and human activities are altering this foundational component of the environment, and how these alterations feed back to affect climate change. Some examples are highlighted below:

At least two thirds of the world’s land-based organic carbon is stored in

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Highlights

Carbon Cycle Science for a Changing World