This website is the digital version of the 2014 National Climate Assessment, produced in collaboration with the U.S. Global Change Research Program.

For the official version, please refer to the PDF in the downloads section. The downloadable PDF is the official version of the 2014 National Climate Assessment.

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Welcome to the National Climate Assessment

The National Climate Assessment summarizes the impacts of climate change on the United States, now and in the future.

A team of more than 300 experts guided by a 60-member Federal Advisory Committee produced the report, which was extensively reviewed by the public and experts, including federal agencies and a panel of the National Academy of Sciences.

Explore the effects of climate change
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Higher Sea Level Rise in Western Pacific

Higher Sea Level Rise in Western Pacific

Map shows large variations across the Pacific Ocean in sea level trends for 1993-2010. The largest sea level increase has been observed in the Western Pacific, due, in part to changing wind patterns associated with natural climate variability. (Figure source: adapted from Merrifield 20111 by permission of American Meteorological Society).

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References

  1. Merrifield, M. A., 2011: A shift in western tropical Pacific sea level trends during the 1990s. Journal of Climate, 24, 4126-4138, doi:10.1175/2011JCLI3932.1. URL | Detail

The National Climate Assessment summarizes the impacts of climate change on the United States, now and in the future.

A team of more than 300 experts guided by a 60-member Federal Advisory Committee produced the report, which was extensively reviewed by the public and experts, including federal agencies and a panel of the National Academy of Sciences.

United States Global Change Research Program logo United States Global Change Research Program participating agency logos