On September 16, 1993, United States President Bill Clinton and his counterparts in Mexico and Canada signed the environmental supplement to the North American Free Trade Agreement (NAFTA). This environmental agreement addresses two main issues: enforcement of domestic environmental laws through possible trade sanctions and environmental cooperation among the three Parties-both to be implemented by a newly created Commission on Environmental Cooperation (CEC). Although increased environmental cooperation possesses no legal mandate per se and has been characterized by some as green window-dressing, the CEC\u27s authority to examine virtually any environmental issue related to trade is precedent setting. For example, the CEC will be able to...