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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Downloads

  Screen Print
Highlights 21.42 MB 111.99 MB
Overview 4.93 MB 23.51 MB

The PDF is the official version of the 2014 National Climate Assessment.

  Screen Print
Report 38.07 MB 169.86 MB
Front Matter 6.36 MB 10.85 MB
Table of Contents 161.51 KB 647.17 KB
Climate Change and the American People 231.91 KB 662.96 KB
About This Report 158.62 KB 158.6 KB
Overview and Report Findings 1.26 MB 4.13 MB
Our Changing Climate 3.24 MB 10.61 MB
Sectors (Introduction) 100.93 KB 286.42 KB
Water 2.03 MB 9.51 MB
Energy 845.75 KB 2.01 MB
Transportation 1.08 MB 4.68 MB
Agriculture 1.29 MB 3.98 MB
Forests 1.17 MB 3.18 MB
Ecosystems 1.29 MB 3.76 MB
Human Health 1.5 MB 5.28 MB
Energy, Water, and Land 1.83 MB 2.01 MB
Urban 919.37 KB 2.49 MB
Indigenous Peoples 1.19 MB 3.63 MB
Land Use and Land Cover Change 891.21 KB 1.99 MB
Rural Communities 934.9 KB 4.5 MB
Biogeochemical Cycles 1.06 MB 2.27 MB
Regions (Introduction) 353.83 KB 420.85 KB
Northeast 1.49 MB 4.96 MB
Southeast 1.53 MB 2.51 MB
Midwest 995.29 KB 2.05 MB
Great Plains 1.37 MB 3.36 MB
Southwest 1.01 MB 1.85 MB
Northwest 1.29 MB 3.24 MB
Alaska 1.19 MB 2.32 MB
Hawai'i and Pacific Islands 1.14 MB 3.28 MB
Oceans 1.09 MB 1.64 MB
Coasts 1.85 MB 5.32 MB
Response Strategies (Introduction) 195.56 KB 314.6 KB
Decision Support 1.23 MB 2.56 MB
Mitigation 1018.96 KB 2.12 MB
Adaptation 1.22 MB 2.76 MB
Research Needs 466.1 KB 579.79 KB
Sustained Assessment 306.53 KB 332.78 KB
Appendices
Process 493.1 KB 734.53 KB
Information Quality 150.37 KB 150.37 KB
Climate Science Supplement 4.13 MB 14.25 MB
FAQs 2.26 MB 9.29 MB
Scenarios and Models 555.47 KB 671.8 KB
Future Assessment Topics 110.66 KB 110.68 KB
Errata 53.2 KB
  Screen Print Kit
Media
Graphics (Broadcast) 6.33 MB

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