works for the preservation of Canadian and international wilderness through research and grassroots education

advocates for the protection and enhancement of "wilderness values" on America's public lands; to ensure that Wilderness and roadless areas continue to provide high quality, non-motorized, recreation

wilderness research, education materials, the latest wilderness news and lots more

seeks to protect, promote and secure the future of Australia's wilderness and other high conservation areas

a national citizens' conservation organization dedicated solely to protecting the lands and waters in the 110 million-acre National Wilderness Preservation System

works to protect and restore wildland ecosystems by preventing and removing roads and limiting motorized recreation

works to save wildlife and wild lands through careful science, international conservation, education, and the management of the world’s largest system of urban wildlife parks

a review of the work of David Brower for conservation, preservation and restoration

working to maintain and restore the unique natural heritage of the Yellowstone to Yukon region, to ensure this wilderness continues to function and support all its natural and human communities, by establishing a regionial protected area network