Register with GEF for FREE to enjoy these great benefits! 

    • member only contests and raffles

    • sustainability program news and updates

    • significant discounts at GEF Institute

Note: If you have problems registering, contact This email address is being protected from spambots. You need JavaScript enabled to view it.


Taking a GEF Institute Course? Login by clicking here.






Join Us

Sign Up for National Green Week!
Please note: Your privacy is very important to GEF. We do not share or sell any of your data.  It is with the sole purpose of providing you with relevant information that GEF will contact you.

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! 
Join button_03

Professional Development

GEFinstitute LOGO_WEB GEF Institute offers affordable, online sustainability courses eligible for professional development or academic credit.
Give your resume a boost!

Sponsor a Teacher

Support educators in your community by helping them earn a Certificate in Sustainability or take an online course. Find out more about sponsorship!
Sustainability Lesson Clearinghouse

Make a Difference with Alumminum

Lesson Description:
To introduce students to the resource economies of recycling aluminum cans. to develop understanding about students' own impact on the amount of solid waste produced and recognize the impact of recycling on energy and natural resources.
Lesson Type:
  • Other

Sustainability Topic:
  • Waste Reduction

Time Needed:
Working problems, 30 minutes wrap up discussion, 5-10 minutes
Standards Addressed:
  • Subject areas: Math, Social Studies
  • Skills: Calculation, Evaluation

Materials Needed:
  • Copies of challenge cards and "Facts About Garbage" handout
  • Scratch paper, pencils and calculators (optional)

School or Group:
Greenville County Governement Online
Contact Email:
Located in: Math

The Sustainability Lesson Clearinghouse is brought to you in partnership with

Center for Green Schools