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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 Science

Ice Cube Experiment
Lesson Type:
  • Project
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Intro to Transportation & the Environment
Lesson Type:
  • Discussion
  • Other
Sustainability Topic:
  • Climate Change
  • Other
GEF Program Category:
  • I Ride Green
It's In Your Hands
Lesson Type:
  • Discussion
  • Experiment
  • Project
Sustainability Topic:
  • Ecosystems
  • Green Building
GEF Program Category:
  • Green Building Program
Johnny Appleseed, a Tree Steward
Lesson Type:
  • Discussion
  • Project
Sustainability Topic:
  • Ecosystems
GEF Program Category:
  • Waste Reduction Challenge
Let's Make a Tree
Lesson Type:
  • Experiment
  • Group Work
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Make Bark and Leaf Rubbings
Lesson Type:
  • Project
Sustainability Topic:
  • Gardening
  • Other
GEF Program Category:
  • Green Thumb Challenge
My Big Green Teacher Recycles
Lesson Type:
  • Other
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
Plant Parts Salad
Lesson Type:
  • Project
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Pre K-K: Reduce Your Trash
Lesson Type:
  • Other
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
Pretzel Power
Lesson Type:
  • Discussion
  • Experiment
  • Group Work
Sustainability Topic:
  • Energy
  • Other
GEF Program Category:
  • Green Energy Challenge
  • I Ride Green
Rain Machine
Lesson Type:
  • Group Work
  • Project
Sustainability Topic:
  • Ecosystems
  • Energy
  • Water
GEF Program Category:
  • Sustainable Water Challenge
Ready, Set, Stop Idling!
Lesson Type:
  • Discussion
  • Project
Sustainability Topic:
  • Climate Change
  • Other
GEF Program Category:
  • I Ride Green
Recognizing Litter
Lesson Type:
  • Discussion
  • Lecture
  • Project
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
Recycle Every Day!
Lesson Type:
  • Discussion
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
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The Sustainability Lesson Clearinghouse is brought to you in partnership with

Center for Green Schools