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After a 41-year career at the forefront of climate science, Tom Karl, Director of the National Centers for Environmental Information (NCEI) and Chair of the Subcommittee on Global Change Research (SGCR), has retired from Federal service . Tom served his entire career with NOAA , taking the reins of NCEI (formerly the National Climatic Data Center

Projected change in mean seasonal precipitation (%) for the contiguous United States, for 2041–2070 with respect to the reference period of 1971–2000.

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

A NOAA-led study refutes the much-publicized idea that there has been a recent slowdown or “hiatus” in the rate of global warming . The study finds that global warming during the last 15 years has progressed as fast or faster than during the latter half of the 20th century.

The U.S. Climate Modeling Summit brought together representatives from the Nation’s major research and operational climate modeling programs

A new white paper highlights outcomes from the first annual U.S. Climate Modeling Summit. The Summit brought together leadership from the country’s six premier climate modeling centers to strategize around priorities of national interest—from experimental efforts that move science forward to forecasts and projections that inform on-the-ground decisions.

Lands and waters provide essential habitat as well as services that people rely on

The Department of the Interior, the Environmental Protection Agency, and the National Oceanic and Atmospheric Administration recently announced four collaborative landscape partnerships to make important lands and waters more resilient to climate change . Federal agencies will work with local, state, and tribal organizations in southwest Florida, Hawaiʻi, Washington, and the Great Lakes.

Thawing permafrost releases greenhouse gases into the atmosphere

A new synthesis published in Nature suggests that thawing Arctic permafrost will release greenhouse gases gradually, rather than in a sudden "bomb". The gradual rate of these natural emissions may give society more time to adapt to their effects, but they remain a challenge for climate mitigation .

Map showing the difference between 2014 surface temperatures and long-term average temperatures. 2014 temperatures were warmer over much of the globe. Map created by NASA GISS.

2014 ranks as Earth’s warmest since record keeping began in 1880, according to independent analyses by scientists at NASA and the National Oceanic and Atmospheric Administration (NOAA).

NASA scientists used an ultra-high-resolution supercomputer model to simulate how carbon dioxide moves through Earth’s atmosphere. Watch an animation of the model's output to see carbon dioxide swirling across the globe in stunning detail.

A new Administration initiative aims to “lift America’s game” in climate education, literacy, and training. USGCRP agencies will play a central part in this effort to connect students and citizens with the best-available scientific information about climate change .

A storm approaches a Caribbean coastline

In the Caribbean, the economic importance of agriculture and tourism—combined with rural poverty and vulnerability to extreme events like hurricanes and droughts—makes adapting to climate change an urgent necessity. The International Research and Applications Project (IRAP) aims to build resilience in the Caribbean through a better understanding of how climate information can enable regional risk management .

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Latest News

Tom Karl, Chair of the Subcommittee on Global Change Research, Retires After 41 Years in Federal Service

Strengthening Sustained Assessment with Climate Simulations

Global Warming "Hiatus" Never Happened: New Study

Modeling Summit Bridges Weather & Climate, Research & Operations

Agencies to Partner for More Resilient Lands & Waters

From Thawing Permafrost, Slow but Steady Emissions Likely

2014 Confirmed as Hottest Year on Record

Data in Motion: How Carbon Dioxide Moves Around the Planet

Toward A More Climate-Literate America

Science & Services for Caribbean Climate Resilience