Canadian activist and writer Maude Barlow attends a session of the World People&#39;s Conference on Climate Change and the Rights of Mother Earth in Tiquipaya, on the outskirts of Cochabamba, Bolivia, Tuesday, April 20, 2010. Barlow is the national chairperson of The Council of Canadians, a citizens� advocacy organization with members and chapters across Canada. (AP / Juan Karita)