Air Pollution Laws, Legal & Court Decisions

1990		The United States passes the Clean Air Act of 1990 focusing on the reduction of smog and air pollution

1970		The United States passes the Clean Air Act Extension of 1970

1956		The United Kingdom implements the Clean Air Act of 1956 in response to London's Great Smog of 1952.

1955		The United States passes the Air Pollution Control Act of 1955