Climate Change - GlobalChange.govGlobalChange.gov provides a comprehensive and authoritative assessment of current and future impacts of climate change on society in the United States.
The Fourth National Climate Assessment (NCA4), developed by the U.S. Global Change Research Program (USGCRP), is a state-of-the-science synthesis of climate knowledge, impacts, and trends across U.S. regions and sectors to inform decision making and resilience-building activities across the country.
