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Skip to main content Menu National Climate Assessment Home National Climate Assessment Information What is this? GlobalChange.gov Search Download Home Highlights Report Overview Report Findings Regions Overview Climate Trends Our Changing Climate Water Supply Extreme Weather Agriculture Future Climate Indigenous Peoples Widespread Impacts Ecosystems and Biodiversity Human Health Oceans Infrastructure Responses Northeast Northwest Southeast Alaska Midwest Hawai'i Great Plains Rural Communities Southwest Coasts Our Changing Climate Sectors Regions Response Strategies Introduction Extreme Weather Observed Change Changes in Hurricanes Future Climate Change Changes in Storms Recent U.S. Temperature Trends Sea Level Rise Frost-free Season Melting Ice Precipitation Change Ocean Acidification Heavy Downpours Increasing Water Energy, Water, and Land Energy Urban Transportation Indigenous Peoples Agriculture Land Use and Land Cover Change Forests Rural Communities Ecosystems Biogeochemical Cycles Human Health Northeast Northwest Southeast Alaska Midwest Hawai‘i and Pacific Islands Great Plains Oceans Southwest Coasts Decision Support Research Needs Mitigation Sustained Assessment Adaptation Climate Science Supplement FAQs 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. Download PDF Credits | Site Map Search Options X Search form Search Top GlobalChange.gov 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 Climate Change and the American People Read the Overview Video not supported Highlights Explore highlights of the National Climate Assessment including an Overview, the report’s 12 overarching findings, and a summary of impacts by region. Explore Highlights Full Report Explore the entire report covering our changing climate, regions, cross sector topics, and response strategies in full detail. Explore the Report Facebook Tweet Copy link to clipboard Next 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. 2014 National Climate Assessment. U.S. Global Change Research Program 1800 G Street, NW, Suite 9100, Washington, D.C. 20006 USA Tel: +1 202 223 6262 | Fax: +1 202 223 3065 | Contact Us | Privacy Policy | Site Map Some figures and images are copyright protected. Permission of the copyright owner must be obtained before making use of copyrighted material....