Skip to main content
U.S. flag

An official website of the United States government

Fifth National Climate Assessment - Read the Report

Highlights of Climate Change Impacts in the United States: The Third National Climate Assessment

The 148-page Highlights report presents the major findings and selected highlights from Climate Change Impacts in the United States: The Third National Climate Assessment. The Highlights report is organized around the National Climate Assessment Report Findings, which take an overarching view of the entire report and its 30 chapters. All material in the Highlights report is drawn from the full report. The Key Messages from each of the 30 report chapters appear throughout the Highlights.