• Read It Now: Climate Science Special Report

    JUST RELEASED: The Climate Science Special Report, Volume I of the Fourth National Climate Assessment (NCA4). CSSR assesses the physical science of climate change and provides the foundation for Volume II of NCA4.

  • NCA4 Review and Comment Now Open

    Review and comment on the public draft of Volume II of the Fourth National Climate Assessment, Climate Change Impacts, Risks, and Adaptation in the United States. The deadline for providing comment is January 31, 2018.

  • Update to the Strategic Plan

    Update to the Strategic Plan

    Read the National Global Change Research Plan 2012–2021: A Triennial Update, a report on the Program's progress since 2012.

  • Our Changing Planet 2017

    Our Changing Planet

    USGCRP's annual report looks back (and ahead) at building the knowledge base needed to respond to global change.

  • Melting sea ice is one indicator of climate change

    Indicators of Change

    Indicators communicate key aspects and related effects of the changing climate.