There is a great economic divide between the rich and the poor. This has contributed to high crime rates in Mexico. Drug trafficking is also a problem in Mexico. Mexican drug cartels deliver more than half of the methamphetamine supply to the United States. Corruption with police and administration has prevented crime control. Street crime and kidnappings are also a persistent problem in Mexico City.
Most of Mexico's environment issues are now discussed through NAFTA. Mexico has been asked by NAFTA to raise its environmental protection standards to that of United States. Economic and population growth put pressure on the Mexican environment. Air pollution is a serious problem in Mexico. Mexico City has the worst air pollution and is ranked the most polluted city in the world. Pollution increases because of the growing numbers of factories and the increased truck traffic with United States.
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