Which of the Following About Mexico's Environment Is NOT True

Which of the following about Mexico's environment is NOT true?

A) One result of the country's pursuit of economic development and industrialization is that Mexico City is one of the most-polluted cities in the world.
B) Mexico's environmental movement has been hampered by the fact that the country lacks a tradition of conservation.
C) Mexico's membership in NAFTA has forced the country to undertake greater environmental oversight.
D) The country established an environmental ministry in 1994, signaling its recognition that environmental concerns were important to the government.
E) In the 1980s, Mexican cities began to pressure the government for better air pollution controls.