Canadian Environmental Law Association
http://www.cela.ca/

Canadian Institute for Environmental Law & Policy
http://www.cielap.org/

Centre for Int’l Sustainable Development Law
http://www.cisdl.org/

EarthJustice Legal Defense Fund
http://www.earthjustice.org/

Environmental Integrity Project
http://www.environmentalintegrity.org/

Environmental Law Institute
http://www.eli.org/

Environmental Law & Policy Center
http://elpc.org/

Int’l Council for Local Environmental Initiatives
http://www.iclei.org/

National Caucus of Environmental Legislators
http://www.ncel.net/

South Carolina Environmental Law Project
http://www.scelp.org/

Southern Environmental Law Center
http://www.southernenvironment.org/