- Environmental Protection Agency – US government environmental information
- Environmental Protection Agency Kids Club – EPA resources for children
- US Geological Survey – Department of Interior Water Science, Maps and Education
- US Forest Service – Department of Agriculture, Forest information and Education
- Earth 911 – Guide to local recycling centers, sustainable living information
- Green Restaurant Association – Certified Green dining guide
- TerraCycle – Collects, recycles and up cycles hard to manage waste. Information on eliminating waste.
Athletes, Events, Musicians, and Festivals:
- A Greener Festival – Provides information, standards and awards for international music and arts festivals.
- Athletes for a Fit Planet – FitPlanet provides resources for athletes and event organizers who strive to be environmentally responsible. Take Fit Planet’s Pledge of Sustainability.
- Council for Responsible Sport – The Council for Responsible Sport encourages, enables, promotes and validates sustainable sports event production through its ReSport Certification program.