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Open Education Resources (OER) are teaching and learning materials freely available online for everyone to use. You can download a resource, edit it in some way, and then re-post it as a remixed work.

Discover What's New in The Commons

What are some examples of OER Materials?

  • Full university courses, complete with readings, videos of lectures, homework assignments, and lecture notes.
  • Interactive mini-lessons and simulations about a specific topic, such as math or physics.
  • Adaptations of existing open work.
  • Electronic textbooks peer-reviewed and frequently updated.
  • Elementary school and high school (K-12) lesson plans, worksheets, and activities aligned with state standards.

OER Commons Green

Curating best in class learning materials from around the world since 2007

The site creates a unique lens on environmental and sustainability-related learning resources within ISKME's renowned open learning network OER Commons. OER Commons Green aggregates best-in-class green open educational resources on topics like climate change, pollution, and eco-culture from diverse providers around the globe.

Browse Resources From K-12 to College Courses

Environmental Politics and Law (EVST 255)


Complete course materials are available at the Open Yale Courses website

Read More

  • 00:00 - Chapter 1. Allocating and Managing Land Use
  • 07:52 - Chapter 2. Curious Conservation History: The Case of the Adirondacks
  • 16:43 - Chapter 3. Multiple Uses, Ineffective Control and Conflict
  • 27:13 - Chapter 4. Ecological Constrains for Land and Resource Development
  • 45:11 - Chapter 5. Who Are the Stakeholders?

K-12 Resources

  • Observe Your World
  • The GLOBE Program
  • Computer Tools
  • Ozone Bioindicator Garden
  • Climate Kids
  • Banana Split: To Eat or Not to Eat
  • Youth Xchange
  • Global Climate Change
  • K-12 Textbooks

Higher Education

  • Accessibility, Flexible Learning
  • Game-based Learning
  • Open Textbooks
  • Natural Resources (2352)
  • Human Impact (1143)
  • Tools for Change (923)
  • Other (315)


  • Green Energy
  • Green Gardening
  • Most Eco-Friendly U.S. Cities
  • Eco-Friendly Home Cleaning
  • Reducing Recycling
  • Plan Eco-Friendly Travel