• 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.

  • Updates on the Fourth National Climate Assessment

    Keep up with the process and progress of Vol. II of NCA4.

  • 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.