The federal Global Change Research Act of 1990 mandates that the U.S. Global Change Research Program deliver a report to Congress and the President no less than every four years.The report is required to “1) integrates, evaluates, and interprets the findings of the Program…; 2) analyzes the effects of global change on the natural environment,…

via 4th National Climate Assessment: Climate Change Is Human Caused; Flooding, Wildfires, Health Impacts, Infrastructure, Economic Damage Will Increase Without Action — PA Environment Digest Blog