Causes and Disadvantages of Air Pollution Essays

Causes and Disadvantages of Air Pollution Essays Causes and Disadvantages of Air Pollution Paper Causes and Disadvantages of Air Pollution Paper the Clean Air Act of 1967 as amended in 1970, 1977, and 1990 is the legal basis for air-pollution control throughout the U. S. The Environmental Protection Agency has primary responsibility for carrying out the acquirement of the act, which specifies that air-quality standards be established for harmful substances. These standards are in the form of concentration levels that are believed to be low enough to protect public health. Source emission standards are also specified to limit the discharge of pollutants into the air so that air-quality standards will be achieved. The amendments Of 1990 identify ozone, carbon monoxide, particulate matter, acid rain, and air toxins as major air pollution problems. Internationally, 49 countries agreed in March 1 985 on a United Nations convention to protect the ozone layer.