Add to ORKGMission Geography uses existing NASA data and images where possible to engage students in active, hands-on inquiry, modeling the scientific method and developing students understandings of environment-society relations and earth science. This module addresses four case studies (a coastal bay, an inland sea, a river, and a mountain snow pack) to investigate water resources important to millions of people in North America, Asia, and Africa. Each investigation focuses on the physical nature of the resource, how humans depend upon the resource, and how human use affects the resource, creating both problems and opportunities. In each of the four investigations, students role-play U.S. Senators, NASA geographers, scientists, public officials, and...