Sierra Club Human Rights Campaign
   Human rights and the environment campaign for environmentalists often persecuted for their efforts to protect the earth. Urgent action for Rodolfo Montiel Flores and Teodoro Cabrera, Mexican anti-logging activists. Provide information on helping environme
   http://www.sierraclub.org/human-rights/index.asp

Sierra Club of Canada
   Active in Canada since 1969, working on matters of public policy and environmental awareness. Local chapters and working groups in every region of the country. Provide information and local activities.
   http://www.sierraclub.ca

Sierra Club: The Planet
   Activist newsletter from the Sierra Club. Has information about current campaigns, successes, actions to take.
   http://www.sierraclub.org/planet/