history of air pollution
in 19th century
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there used to be no air pollution in the 19th centuries!!!!
tkskeshushukla:
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Scientists
started investigating the link between air pollution and health. States
began passing legislation to reduce air pollution. And in 1970, a
milestone year, Congress passed the Clean Air Act Amendments which led
to the establishment of the nation's air quality standards.
(Is this just a recent development?) Air pollution is not new. As far back as the 13 th century, people started complaining about coal dust and soot in the air over London, England. Since the beginning of the industrial revolution in the late 1700s, we have been changing the Earth's atmosphere and its chemistry.
There are four main types of air pollution sources: mobile sources – such as cars, buses, planes, trucks, and trains. stationary sources – such as power plants, oil refineries, industrial facilities, and factories. area sources – such as agricultural areas, cities, and wood burning fireplaces.
(Is this just a recent development?) Air pollution is not new. As far back as the 13 th century, people started complaining about coal dust and soot in the air over London, England. Since the beginning of the industrial revolution in the late 1700s, we have been changing the Earth's atmosphere and its chemistry.
There are four main types of air pollution sources: mobile sources – such as cars, buses, planes, trucks, and trains. stationary sources – such as power plants, oil refineries, industrial facilities, and factories. area sources – such as agricultural areas, cities, and wood burning fireplaces.
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