Institute for Social Ecology
The ISE is an educational institution dedicated to educating students on the subtle interplay between environmental degradation and social justice. The site offers online articles as well as a discussion forum.
World Resources Institute
The WRI is a non-profit organization launched in 1982 with a grant from the Catherine T. MacArthur Foundation of Chicago to study global resource and environmental issues. The site offers a wide range of resource links and scholarly articles.
University of San Diego - Ethics Updates
This site is an excellent resource for online articles and other media concerning a broad range of ethical issues. However, the resources concerning environmental ethics and the moral status of animals with regard to medical research are particularly useful.