Air and Water Pollution - Pollution prevention
Pollution prevention
In the mid-to-late 1900s, the U.S. government began to enact regulations on pollutants that have helped clear much of the waters and air. In 1970 the Clean Air Act established standards for air quality and emissions. The act required automobile manufacturers to produce cars that use unleaded fuel, which has reduced pollutants, and to install pollution-control devices on the exhaust. Factories, incinerators, and power plants were also required to install pollution-control mechanisms. In the 1970s the Safe Water Drinking Act and the Clean Water Act were enacted. These acts set water standards for public water systems and established regulations for the discharge of pollutants into waters.
Other governments also have enacted regulations against releasing pollutants. Companies have developed improved methods to clean up pollution, such as a genetically modified type of bacteria that eats oil from oil spills....
[The entire page is 213 words long]
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