This resource is part of the Science Education Gateway (SEGway) project, funded by NASA, which is a national consortium of scientists, museums, and educators working together to bring the latest science to students, teachers, and the general public. Students pretend that they are on the Earth task force for drought prevention and, using an Earth Image database (Space Shuttle images), try to find places on Earth where there is ice and snow. For some communities water is not a problem, but some areas in the world are arid or prone to droughts. Students learn that water sources are crucial for people living in these regions. A teacher's section provides goals, objectives, materials, and teaching strategies. Educational levels: High school, Mid...