After fifteen years, NAFTA has been subject to many evaluations from different perspectives, including environmental assessments. According to the Commission for Environmental Cooperation (CEC), results of these evaluations show that, at the aggregate level, the environmental impacts of free...

Mexico City has for years experienced high levels of ozone and particulate air pollution. In 1995-99 the entire population of the Mexico City metropolitan area was exposed to annual average concentrations of fine particulate pollution (particulates with a diameter of less than 10micrometers, or...