The Sanitation Districts are a founder of the Think Earth Environmental Education Foundation, which provides free, award-winning classroom curriculum for grades pre-K through 8. Think Earth distributes grade specific kits containing 5-8 engaging lessons, colorful posters, and a video. The program is correlated to California Content Standards.

By completing the program, students learn the importance of a clean, healthy environment and what they can do to conserve natural resources, reduce waste, and minimize pollution. Students learn to "Think Earth!" For more information, please visit the Think Earth website.

Think Earth now offers environmental surveys for homes and schools to learn how to lessen your environmental impact. These surveys can be conducted at home by family members, and at schools as a class project from grade 6 and up. Once survey answers are entered online, personalized recommendations are generated to show you how to better "Think Earth." The free, broad-based surveys cover air quality, energy and water conservation, and waste reduction.