abcteach
Abcteach: Earth Day Activities
[Free Registration/Login Required] How can you treat the earth with more respect? Check out this resource featuring links to elementary activities to celebrate Earth Day. You will find word searches, crossword puzzles, reading...
US Environmental Protection Agency
Epa: Land, Waste, and Cleanup Topics
This site is loaded with information on solid waste and hazardous waste. It includes industries' effects on the environment, waste programs, treatment, control, pollution prevention, recycling, and cleanup programs.