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Home Education K-12 Lesson Clearinghouse Pre K-2 Math

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 Math

Air Pollution Math
Lesson Type:
  • Lecture
  • Project
Sustainability Topic:
  • Climate Change
  • Energy
GEF Program Category:
  • Green Energy Challenge
  • I Ride Green
Be “Sun-sible” About Heating Water
Lesson Type:
  • Group Work
  • Project
Sustainability Topic:
  • Energy
  • Water
GEF Program Category:
  • Sustainable Water Challenge
  • Green Energy Challenge
Energy Carnival
Lesson Type:
  • Group Work
  • Project
  • Other
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Grade 2: Reduce Your Trash
Lesson Type:
  • Other
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
Green Thumb and Dirty Fingernails
Lesson Type:
  • Experiment
  • Project
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
How to Grow a Sunflower Plant
Lesson Type:
  • Experiment
  • Project
Sustainability Topic:
  • Gardening
How to Grow Beans in a Plastic Bag
Lesson Type:
  • Discussion
  • Project
Sustainability Topic:
  • Gardening
  • Other
GEF Program Category:
  • Green Thumb Challenge
Intro to Transportation & the Environment
Lesson Type:
  • Discussion
  • Other
Sustainability Topic:
  • Climate Change
  • Other
GEF Program Category:
  • I Ride Green
Life with Energy
Lesson Type:
  • Other
Sustainability Topic:
  • Energy
GEF Program Category:
  • Green Energy Challenge
Plant Power
Lesson Type:
  • Experiment
  • 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
Ready, Set, Grow!
Lesson Type:
  • Group Work
  • Project
Sustainability Topic:
  • Gardening
GEF Program Category:
  • Green Thumb Challenge
Recycling Crayons
Lesson Type:
  • Discussion
  • Other
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
Reduce Your Trash
Lesson Type:
  • Project
Sustainability Topic:
  • Waste Reduction
GEF Program Category:
  • Waste Reduction Challenge
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Center for Green Schools

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