Project Wild - Information about and sample materials from an interactive, interdisciplinary wildlife conservation and environmental education curriculum. Supported by U.S. natural resource agencies, designed for U.S. K-12 use. Hands-on Experiments to Test for Acid Mine Drainage - Teaches kids about acid mine drainage and other environmental topics through a series of hands-on experiments. Gulf of Mexico Educator Resources - A collection of curricula, lesson plans, activities, and tutorials sponsored by the USEPA. Exploring the Environment - On-line educational modules from the NASA Classroom of the Future. Eelgrass Habitat - Eelgrass habitat centered curricula emphasizing vocabulary with a student activity and self-test. Grades 7 - 10. HLMA's "Sustaining Penn's Woods" curriculum - Pennsylvania-specific forest education program developed for 5th-10th grade teachers to meet PA's academic standards for environment and ecology. Air Pollution: What's the Solution? - An educational project for students, grades 6 - 12, that uses online real time data to guide student discovery of the science behind the causes and effects of ground level ozone. Nature Transformed: The Environment in American History - Teacher resources and topical essays on a wide range of topics in American environmental history. The Leopold Education Project - An innovative, critical thinking, conservation and environmental education curriculum based on the classic writings of renowned conservationist Aldo Leopold. Illinois DNR: Lessons - Activity guides and other materials from the Illinois Dept. of Natural Resources. Topics include ecology, wildlife and water.