Universidad Nacional Autonoma de Mexico ; GAIA, Grupo de Accion Interdisciplinaria Ambiental A.C. ; un documental de Francisco Taboada Tabone ; lo hicimos nosotros Atahualpa Caldera Sosa, Fernanda Robinson
co-sponsored by the American Bar Association, Section of Natural Resources, Energy, and Environmental Law, Center for Continuing Legal Education, Water Environment Federation ; in cooperation with U.S. Environmental Protection Agency