Environmental Career Opportunities -- Hundreds of Environmental Jobs in conservation, education, policy, science, and engineering. http://www.ecojobs.com/

Student Conservation Association
-- Get real conservation experience with SCA expense paid internships along with living stipend, housing, and round trip travel.  Must be 18 or older available 3-12 months in any of the 50 U.S. states. http://www.thesca.org/serve/internships

Sustainable Business
-- Online community for green businesses: green dream jobs, progressive investors, renewable energy stocks, healthy living stocks, and green capital. http://www.sustainablebusiness.com/