A vast array of lesson plans, games, quizzes, videos, projects, activities and community service ideas.

More than 80 science and history-social science units that highlight environmental relationships and encourage critical thinking.

Green activities, articles, slideshows and more, organized by grade level.

This site offers links to more than 40 recycling activities and resources for various grade levels.

Earth Day-themed lessons, projects, activities and games for grades K-5, 6-8 and 9-12.

Posters, lesson plans and web-based experiences about recycling for grades K-4, 5-8 and 9-12.