In 1993, environmental objections to NAFTA resulted in the establishment of the North American Commission for Environmental Cooperation (CEC), the first international organization created to address issues related to trade and the environment. The CEC is also the first regional environmental agency in North America with innovative tools, almost unlimited jurisdiction, and unprecedented opportunities for participation by civil society at the international level. The lessons to be drawn from the CEC's experience should be of great value to all those interested in environmental protection and...