2026-17289: United States Global Change Research Program; Availability for Public Comment on the Proposed Amendment to the Fifth National Climate Assessment (NCA5)
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OSTP, on behalf of the U.S. Global Change Research Program (USGCRP), announces the availability of a proposed amendment and clarification to the Fifth National Climate Assessment (NCA5) for public comment. The proposed amendment addresses the interpretation and Federal use of NCA5 results that depend materially on RCP8.5, SSP5-8.5, SRES A2, or analogous high-emissions pathways.
The agency’s own summary, as published.
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