Google Scholar - Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources. Scholar also allows you to link out to full-text articles that your library subscribes to.
USA.Gov' s Environment Section - Find resources on recycling, weather, energy, fuel efficiency, agriculture, and more.
Environlink - EnviroLink is a non-profit organization that unites hundreds of organizations and volunteers around the world with millions of people in more than 150 countries. EnviroLink is dedicated to providing comprehensive, up-to-date environmental information and news.