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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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Professional Development

GEFinstitute LOGO_WEB GEF Institute offers affordable, online sustainability courses eligible for professional development or academic credit.
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Sustainability Lesson Clearinghouse
Fantastic Flowers and Their Fluttering Friends
Lesson Type:
  • Project
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Waste Reduction Challenge
  • Green Thumb Challenge
Find My Plant
Lesson Type:
  • Other
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Garden Charades
Lesson Type:
  • Other
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Gardening: A Math Adventure
Lesson Type:
  • Group Work
  • Other
Sustainability Topic:
  • Gardening
Leaf Peeping
Lesson Type:
  • Other
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Painting with Natural Dyes
Lesson Type:
  • Experiment
  • Group Work
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
School Garden
Lesson Type:
  • Other
Sustainability Topic:
  • Gardening
  • Waste Reduction
Seed Pot Critters
Lesson Type:
  • Project
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Seed Savers
Lesson Type:
  • Group Work
  • Project
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Sun or Shade?
Lesson Type:
  • Project
Sustainability Topic:
  • Gardening
The World's Been Waiting For You!
Lesson Type:
  • Discussion
  • Other
Sustainability Topic:
  • Energy
  • Gardening
  • Water
  • Waste Reduction
GEF Program Category:
  • Sustainable Water Challenge
Where Has All The Top Soil Gone?
Lesson Type:
  • Other
Sustainability Topic:
  • Water
  • Other
GEF Program Category:
  • Sustainable Water Challenge
  • Green Thumb Challenge

The Sustainability Lesson Clearinghouse is brought to you in partnership with

Center for Green Schools