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The Southwest Climate Adaptation Science Center (SW CASC) is a collaborative federal-university partnership between the U.S. Geological Survey (USGS) and a consortium of academic institutions across the U.S. southwest. It is hosted at the University of Arizona, at the Arizona Institute for Resilience, led by Host Institution Director Dr. Aaron Lien and Federal Regional Administrator Dr. Stephanie McAfee.

Come Rain or Shine Podcast
This SW CASC/USDA SW Climate Hub collaborative podcast highlights stories about recent advances in climate science, weather and climate adaptation, and innovative practices to support resilient landscapes and communities.
We are excited to relaunch the podcast in November 2025. Stay tuned for more information!

Newsletter
Subscribe to our quarterly newsletter to stay up to date on all things SW CASC.

Webinar on precipitation changes in the southwest - recording now available!
Are you curious about precipitation fluctuations in the southwest and what these changes mean for ecosystems and communities?
The recording and Q&A session from the Friday, April 18th webinar is available.