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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 Science

Transportation Fuels: Ethanol
Lesson Type:
  • Discussion
  • Other
Sustainability Topic:
  • Climate Change
  • Other
GEF Program Category:
  • I Ride Green
Transportation Fuels: The Future is Today
Lesson Type:
  • Project
  • Other
Sustainability Topic:
  • Energy
  • Waste Reduction
  • Other
GEF Program Category:
  • Green Energy Challenge
Trash to Gas
Lesson Type:
  • Experiment
Sustainability Topic:
  • Energy
  • Waste Reduction
Travel Solutions to Global Warming
Lesson Type:
  • Discussion
  • Experiment
  • Lecture
  • Other
Sustainability Topic:
  • Climate Change
GEF Program Category:
  • I Ride Green
Trekking into the West
Lesson Type:
  • Discussion
  • Lecture
Sustainability Topic:
  • Energy
GEF Program Category:
  • I Ride Green
Trip Tally
Lesson Type:
  • Discussion
  • Group Work
  • Project
Sustainability Topic:
  • Climate Change
  • Other
GEF Program Category:
  • I Ride Green
Understanding Solar Energy
Lesson Type:
  • Discussion
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Walking My Neighborhood
Lesson Type:
  • Discussion
  • Experiment
  • Project
Sustainability Topic:
  • Energy
GEF Program Category:
  • I Ride Green
Wanted: Breath of Fresh Air
Lesson Type:
  • Discussion
  • Project
Sustainability Topic:
  • Other
Wastewater Treatment
Lesson Type:
  • Experiment
  • Other
Sustainability Topic:
  • Water
  • Other
GEF Program Category:
  • Sustainable Water Challenge
Water Conservation
Lesson Type:
  • Experiment
Sustainability Topic:
  • Water
GEF Program Category:
  • Sustainable Water Challenge
Water Filtration
Lesson Type:
  • Experiment
Sustainability Topic:
  • Water
GEF Program Category:
  • Sustainable Water Challenge
Water Filtration
Lesson Type:
  • Experiment
Sustainability Topic:
  • Water
GEF Program Category:
  • Sustainable Water Challenge
Water Meter Reader
Lesson Type:
  • Audit
  • Project
Sustainability Topic:
  • Water
GEF Program Category:
  • Sustainable Water Challenge
  • Green Building Program
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The Sustainability Lesson Clearinghouse is brought to you in partnership with

Center for Green Schools