» Field Notes Nature Documentaries    Specializing in nature conservation and research videos for broadcast, presentation, fundraising and education. Provides field notes, photography, select previews and the ability to order some titles online.    http://www.fieldnotes.com/

» Green Planet Films    An online DVD rental library that creates and maintains a growing library of environmental, nature, and conservation films.    http://greenplanetfilms.org

» GreenTreks Network, Inc.    GreenTreks promotes a healthy environment through high quality television documentaries, how-to videos, web programs, and radio documentaries. Strong focus on water and our connection to the environment.    http://www.greentreks.org/

» PBS - Bill Moyers Reports: Earth on Edge    Video provides a close look at five ecosystems around the world, and describes the impact of human activity on the environment. Provides program information, discussion guide, and resources.    http://www.pbs.org/earthonedge/