NAFTA and the Environment: Seven Years Later

Air and water pollution blighted northern Mexican cities long before the North American Free Trade Agreement (NAFTA) was a glimmer on the political horizon. Not surprisingly, when NAFTA became a political reality, environmentalists argued that commercial competition would weaken environmental standards in Canada and the United States and industrial growth in Mexico would further damage its weak environmental infrastructure. NAFTA's huge success in expanding free trade has concentrated populat…