Title: Clean Air Act: US History for Kids ***
Headings: Clean Air Act of 1963, 1970 and 1990
Clean Air Act of 1963, 1970 and 1990
Content: Sulfur dioxide is a waste gas produced by burning coal and oil and by many industrial processes, such as smelting. It is linked with a number of adverse effects on the respiratory system. Sulfur dioxide is a hazardous air pollutant and a major contributor to acid rain. Clean Air Act Facts - 21: Particulate matter: Particulate matter are tiny, fine particles suspended in air many of which are hazardous to the environment. Particulate matter is a complex mixture of extremely small particles in soot, smoke, pollen dirt and liquid droplets with an aerodynamic size less than 10 micrometers. Clean Air Act Facts - 22: Amendments to the Clean Air Act in 1990 focused on further reducing air pollutant emissions and air pollution. In the 1990 law US Congress also recognized that Native American Indian Tribes have the authority to implement air pollution control programs.