By informing users about past, present, and future climate change, the National Climate Assessment (NCA) links scientific advancement with the needs of decision makers responding to a changing climate. To do this, the NCA gathers scientific information from many sources, highlighting key findings and major gaps in knowledge about climate impacts...
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The National Oceanic and Atmospheric Administration (NOAA) recently released two reports that provide detailed comparisons of phases 3 and 5 of the Coupled Model Intercomparison Project (CMIP3 and CMIP5) for the United States. Understanding the strengths of these simulations and the differences among models is important for sustained assessment...
By Dr. Kathryn Sullivan Decision-makers across the nation are increasingly focused on anticipating, mitigating, and adapting to climate change. That’s why the President’s Climate Action Plan emphasizes the importance of “actionable science”: scientific findings tailored to assist decision makers and citizens in anticipating and preparing for...
By Dr. Tamara Dickinson A year ago today, hundreds of the country’s top climate scientists confirmed that climate change is affecting every region across America in the third U.S. National Climate Assessment (NCA) – the most comprehensive scientific report on domestic climate change impacts ever generated. Since then, communities, localities, and...
A Request for Information issued today seeks public input on next steps for the U.S. National Climate Assessment. Ongoing stakeholder engagement is key to USGCRP's sustained assessment process.
USGCRP has selected a set of emissions scenarios and climate projections to focus on for the next quadrennial National Climate Assessment. These scenarios and projections will provide a consistent basis to assess the potential future impacts of climate change and related policy choices.
“ …Science, accumulated and reviewed over decades, tells us that our planet is changing in ways that will have profound impacts on all of humankind…those who are already feeling the effects of climate change don’t have time to deny it—they’re busy dealing with it.” -- President Barack Obama, Remarks at Georgetown University, June 25, 2013. Today,...
By Dr. John P. Holdren and Dr. Kathryn D. Sullivan Today, the Obama Administration unveiled the Third U.S. National Climate Assessment (NCA)—the most comprehensive, authoritative scientific report ever generated about climate changes that are happening now in the United States and further changes that we can expect to see throughout this century...
Dr. John Holdren , President Obama's Science Advisor, introduces the National Climate Assessment and discusses President Obama's climate action plan which takes an all of the above energy approach towards combatting climate change now. Learn more at http://www.whitehouse.gov/climate-change . Reposted from the White House Office of Science and...