Mexico, Canada and the United States have serious problems with the emission of diverse pollutants.
The three member countries of the Commission for Environmental Cooperation (CEC) of North America, a body created as part of NAFTA’s environmental side agreement, are facing high rates of emissions of mercury, arsenic, and chromium, according to Orlando Cabrera, the manager of the Air Quality Program and of the Pollutant Release and Transfer Registry (PRTR) of North America.