Low sulphur coal is available and natural gas burns with a very low sulphur emissions. Factories have devices called scrubbers, that spray emissions with lime, in the smokestacks, which neutralizes the acids before they get into the air. Vehicles in the United States and Canada must, by law, be fitted with a catalytic converter, which passes the exhaust fumes over metal beads that help to advocate chemical reactions that help reduce pollution... displayed 300 characters
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In Norway, powdered lime is dropped from planes to help make the waters of their acidic lakes and the soils of their forests more alkaline.
Acid rain needs serious attention by Americans today. With the implication of the clean air acts, that reduce emissions of harmful gases, acid rain has been reduced in large portions of N... displayed next 300 characters
The effects of acid rain can also be seen in lakes, rivers, and streams and plant growth. Acidity in water kills practically all life forms. By the early '90s, tens of thousands of lakes had been destroyed by acid rain...
Low sulphur coal is available and natural gas burns with a very low sulphur emissions. Factories have devices called scrubbers, that spray emissions with lime, in the smokestacks, which neutralizes the acids before they get into the air...
Fitting a catalytic converter to a car can reduce the emissions of nitrogen oxides by up to 90 percent, but they are very expensive, and cause more carbon dioxide to be released, which contributes to the greenhouse effect...
Most rain is naturally acidic because of the carbon dioxide (CO2) in the air that dissolves with rainwater and forms a weak acid. This kind of acid in the rain is good because it helps dissolves minerals in the soil that both plants and animals need...
The pH scale begins at 0
and ends with 14. A reading lower than 7 is called acidic, and a reading higher
than 7 is called basic. Seven is neutral. Normal rain is slightly acidic with a
pH level of about 6...
The main sources of these pollutants are industrial power-generating plants and vehicles.
Since the Industrial Revolution, emissions of sulfur dioxide and nitrogen oxides to the atmosphere have increased...
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