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Welcome to the Sustainability Lesson Clearinghouse

Here, you can find free sustainability lessons to use in your class and upload your own lessons to share. Be sure to rate the lessons you use and leave comments for your colleagues!

All of GEF's lessons and programs are offered at no cost.  Become a member to support GEF and enjoy member only benefits! 
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Sustainability Lesson Clearinghouse

PreK-2 Health

What Happens to Litter?
Lesson Type:
  • Discussion
  • Lecture
  • Other
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
When Litter Becomes Harmful
Lesson Type:
  • Other
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
Where is Away?
Sustainability Topic:
  • Waste Reduction
Where Litter Ends Up
Lesson Type:
  • Other
Sustainability Topic:
  • Water
  • Waste Reduction
GEF Program Category:
  • Sustainable Water Challenge
  • Waste Reduction Challenge
You Are What You Eat
Lesson Type:
  • Project
Sustainability Topic:
  • Other
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The Sustainability Lesson Clearinghouse is brought to you in partnership with

Center for Green Schools