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Understory

WWETAC Climate Change Vulnerability Assessments

Abstract

Effective beginning 5/30/2025

This website, and all linked websites under the control of the agency, is under review and content may change.

A climate change vulnerability assessment, or CCVA, is a report that synthesizes and evaluates a wide range of scientific information, including model projections and scientific papers, on the effects climate change might have on a specific area. This fact sheet summarizes the main parts and uses of a CCVA, and highlights the role WWETAC plays in producing many of the assessments for the Western U.S. It also includes an up-to-date list of WWETAC's available assessment.   

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Download (PDF 308KB): https://research.fs.usda.gov/sites/default/files/2025-12/pnw-ccva_fact_sheet_-_update_1.pdf
Last updated December 17, 2025