Society derives many benefits from biodiversity and ecosystems, including clean air and water, as well as a host of recreational and culturally valued services. Climate change and nitrogen pollution—or excess nitrogen in the air and water, usually caused by human activities—are two major stressors affecting ecosystems nationwide, leading to shifts in habitat ranges, loss of species, and increased soil acidity. A partnership of researchers from EPA, USDA-FS, USGS, and academia are collaborating to assess the interacting impacts of nitrogen and climate change
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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.