1. Project Learning Tree: A program that offers curriculum materials, professional development, and resources for teaching environmental literacy among K-12 students.

2. Green Schools Alliance: A global coalition of schools working towards sustainability through hands-on projects, resource sharing, and professional development.

3. Eco-Schools USA: A program that engages students in experiential learning activities and empowers them to take a leading role in making their school more environmentally friendly and sustainable.

4. EarthForce: A program that provides students with the knowledge and skills to tackle local environmental issues through service learning projects.

5. The Green Classroom: A project that encourages students to take action towards creating a more sustainable world through project-based learning, community service, and advocacy.

6. The Green Schools National Network: A network of sustainability-centered organizations working to transform schools and communities into sustainable learning environments.

7. Energy Challenge: A program that educates students on energy conservation, renewable energy, and energy efficiency through hands-on activities and competitions.

8. The Green Education Foundation: A program that promotes environmental education in K-12 schools through teacher training, curriculum development, and community outreach.

9. Global Green Challenge: A challenge that encourages students to develop innovative solutions to environmental problems through a global competition.

10. Wastebusters: A program that engages students in waste reduction, recycling, and composting education and practices in schools.