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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
Biomass: Nature's Most Flexible Energy Resource
Lesson Type:
  • Experiment
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Calculating the Life-Time Cost of Light Bulbs
Lesson Type:
  • Other
Sustainability Topic:
  • Energy
  • Green Building
Computer Lab Energy Audit
Lesson Type:
  • Audit
Sustainability Topic:
  • Energy
  • Green Building
GEF Program Category:
  • Green Building Program
  • Green Energy Challenge
Energy Conservation in the Home
Lesson Type:
  • Experiment
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Measuring Water Flow Rates
Lesson Type:
  • Audit
  • Experiment
  • Group Work
  • Project
Sustainability Topic:
  • Energy
  • Water
  • Waste Reduction
GEF Program Category:
  • Sustainable Water Challenge
  • Green Energy Challenge
Passive Solar Design for Homes
Lesson Type:
  • Experiment
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Renewable Energy: Choices for Tomorrow
Lesson Type:
  • Other
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Solar Water Heaters
Lesson Type:
  • Discussion
  • Experiment
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Solar Water Heaters for Swimming Pools
Lesson Type:
  • Project
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
The Great Energy Debate Game
Lesson Type:
  • Other
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Transportation Fuels: The Future is Today
Lesson Type:
  • Project
  • Other
Sustainability Topic:
  • Energy
  • Waste Reduction
  • Other
GEF Program Category:
  • Green Energy Challenge
Understanding Earth's Energy Sources
Lesson Type:
  • Discussion
  • Other
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Watt Does It Cost To Use It?
Lesson Type:
  • Other
Sustainability Topic:
  • Energy
What Does The Sun Give Us?
Lesson Type:
  • Other
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge

The Sustainability Lesson Clearinghouse is brought to you in partnership with

Center for Green Schools