Kayapo tribal leader Raoni Metuktire speaks at the People's Summit for Social and Environmental Justice in defense of the commons,
Kayapo tribal leader Raoni Metuktire speaks at the People's Summit for Social and Environmental Justice in defense of the commons, a parallel event taking place alongside the United Nations Conference on Sustainable Development, or Rio+20, in Rio de Janeiro, Brazil, Friday, June 15, 2012.