U. S. Environmental Protection Agency and Education Resources Earth & Space Science, ESS2.C: The Roles of Water in Earth’s Surface Processes, ESS3: Earth and Human Activity, ESS3.A: Natural Resources, ESS3.B: Natural Hazards, ESS3.C: Human Impacts on Earth Systems, ESS3.D: Global Climate Change Learn about issues, laws and regulation, and research from the United States EPA. United States Environmental Protection Agency EPA for students and educators Tags: Activity, Lesson plan, Website