To help Americans anticipate how changing climate conditions might affect their homes and businesses, the United States Global Change Research Program conducts a comprehensive review of scientific information on climate trends and impacts in our country every four years. The 5th National Climate Assessment — often referred to as NCA5 — was published in 2023.
Provide weather, water and climate data, forecasts, warnings, and impact-based decision support services for the protection of life and property and enhancement of the national economy.
