Climate Change and Water – CA Department of Water Resources Earth & Space Science, ESS2: Earth's Systems, ESS2.C: The Roles of Water in Earth’s Surface Processes, ESS3: Earth and Human Activity, ESS3.A: Natural Resources, ESS3.D: Global Climate Change Explore trustworthy science sources as well as recent global and statewide assessments on the CA.gov Water Resources site. Climate Change and Water Tags: Website