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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
Brown Bag Challenge
Lesson Type:
  • Other
Sustainability Topic:
  • Other
GEF Program Category:
  • Green Thumb Challenge
Community Gardens and Propaganda Poster
Lesson Type:
  • Project
Sustainability Topic:
  • Gardening
  • Other
GEF Program Category:
  • Green Thumb Challenge
Composting With Worms
Lesson Type:
  • Other
Sustainability Topic:
  • Gardening
  • Water
  • Waste Reduction
GEF Program Category:
  • Sustainable Water Challenge
  • Green Thumb Challenge
Crowding in an Ecosystem
Lesson Type:
  • Project
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Growing Pains: Assessing the Complexities in Plant Growth
Lesson Type:
  • Project
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Measuring Rainwater
Lesson Type:
  • Project
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Nature Bookmarks
Lesson Type:
  • Project
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Recycling by Composting
Lesson Type:
  • Audio - Video
  • Project
  • Other
Sustainability Topic:
  • Gardening
Soil Investigators
Lesson Type:
  • Other
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge

The Sustainability Lesson Clearinghouse is brought to you in partnership with

Center for Green Schools