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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

Middle School Social Studies

How Long Does Trash Last?
Lesson Type:
  • Group Work
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
How Solar Cells Work
Lesson Type:
  • Experiment
  • Project
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
It's Up in the Air!
Lesson Type:
  • Experiment
Sustainability Topic:
  • Green Building
GEF Program Category:
  • Green Building Program
Land Fill Gas (LFG) a Source of Energy?
Lesson Type:
  • Other
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
Make a Solar Oven
Lesson Type:
  • Project
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Mission Possible: Energy Trade-Offs
Lesson Type:
  • Group Work
  • Project
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Our Air: The Quest for Quality
Lesson Type:
  • Experiment
Sustainability Topic:
  • Ecosystems
  • Energy
  • Green Building
  • Waste Reduction
GEF Program Category:
  • Green Building Program
  • Waste Reduction Challenge
  • Green Energy Challenge
Rail Riders
Lesson Type:
  • Discussion
  • Project
Sustainability Topic:
  • Economics
  • Energy
GEF Program Category:
  • I Ride Green
Recycling by Composting
Lesson Type:
  • Audio - Video
  • Project
  • Other
Sustainability Topic:
  • Gardening
The Future of Getting Around
Lesson Type:
  • Discussion
  • Project
Sustainability Topic:
  • Energy
  • Other
GEF Program Category:
  • I Ride Green
The Landfill Debate
Lesson Type:
  • Project
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
The Myths About Vehicle Idling
Lesson Type:
  • Discussion
  • Group Work
Sustainability Topic:
  • Climate Change
  • Other
GEF Program Category:
  • I Ride Green
The Politics of Energy Conservation
Lesson Type:
  • Other
Sustainability Topic:
  • Climate Change
  • Energy
  • Other
The Real Cost of Getting Around
Lesson Type:
  • Group Work
  • Other
Sustainability Topic:
  • Other
GEF Program Category:
  • I Ride Green
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The Sustainability Lesson Clearinghouse is brought to you in partnership with

Center for Green Schools