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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 Math

Indoor Gardening by Building a Simple Hydroponics
Lesson Type:
  • Project
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Land Fill Gas (LFG) a Source of Energy?
Lesson Type:
  • Other
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
Make a Difference with Alumminum
Lesson Type:
  • Other
Sustainability Topic:
  • Waste Reduction
Mission Possible: Energy Trade-Offs
Lesson Type:
  • Group Work
  • Project
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Passive Solar Design for Homes
Lesson Type:
  • Discussion
  • Project
Sustainability Topic:
  • Energy
  • Green Building
GEF Program Category:
  • Green Building Program
Rail Riders
Lesson Type:
  • Discussion
  • Project
Sustainability Topic:
  • Economics
  • Energy
GEF Program Category:
  • I Ride Green
Sustainable Materials
Lesson Type:
  • Discussion
  • Group Work
Sustainability Topic:
  • Green Building
GEF Program Category:
  • Green Building Program
The Landfill Debate
Lesson Type:
  • Project
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
The Math of Renewable Energy
Lesson Type:
  • Other
Sustainability Topic:
  • Energy
The Real Cost of Getting Around
Lesson Type:
  • Group Work
  • Other
Sustainability Topic:
  • Other
GEF Program Category:
  • I Ride Green
Transportation Fuels: Biodiesel
Lesson Type:
  • Discussion
  • Other
Sustainability Topic:
  • Climate Change
  • Other
GEF Program Category:
  • I Ride Green
Transportation Fuels: Ethanol
Lesson Type:
  • Discussion
  • Other
Sustainability Topic:
  • Climate Change
  • Other
GEF Program Category:
  • I Ride Green
Trash to Gas
Lesson Type:
  • Experiment
Sustainability Topic:
  • Energy
  • Waste Reduction
Trip Tally
Lesson Type:
  • Discussion
  • Group Work
  • Project
Sustainability Topic:
  • Climate Change
  • 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