acid rain


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acid rain

the precipitation of moisture, as rain, with high acidity caused by release into the atmosphere of pollutants from industry, motor vehicle exhaust, and other sources. Acid precipitation with a pH of 5.6 or lower is blamed by various authorities for numerous human health problems, fish kills, and the destruction of timber. Also called acid precipitation, acid snow.See also acid dust,acid flush,and acid mist.
Precipitation laced with pollution, produced predominantly by power plants that burn coal of variable purity, generating SO2 and NO2, lowering the pH of precipitation

acid rain

any rain that contains pollutants such as dissolved sulphur compounds, and as a result adversely affects plant and animal life on precipitation. The pollutants are released into the atmosphere by the burning of fossil fuels such as coal or oil.

acid rain

rain which contains materials, sulfates and oxidation products of nitrogen and sulfur particularly, produced by combustion of coal and oil in industrial processes and by motor vehicles; lowers the pH of water bodies; see acid waters; credited with local decline of fish culture.
References in periodicals archive ?
Even now, if we were somehow able to stop acid rain, those streams would be running acid for many decades because of that bankroll of sulfur," says James P.
In 1984, New York State passed the first law in the nation to control acid rain, the State Acid Deposition Control Act.
Moreover, acid rain damages stone primarily by two methods: dissolution and alteration.
Klein said acid rain could be detrimental to people's way of life in La Loche.
Acid rain is an interesting and important environmental phenomenon, particularly considering its impact on natural ecosystems.
HISTORY: Although the concept of acid rain was introduced in the mid-1800s, U.
The false alert says the acid rain will fall during April 20 and April 28.
With average acidity in rivers falling due to improvements in the levels of acid rain, the researchers expected up to 29 insect species should have re-colonised the improving Welsh streams.
Since the Ontario government introduced the Countdown Acid Rain program the company has spent close to $1 billion to reduce S02 emission in its Greater Sudbury operations.
Evers says his findings also indicate that acid rain has leached calcium (an essential ingredient in the formation of eggshells) out of the soil.
Acid rain is a problem that has plagued the automotive industry since the introduction of clearcoat systems in the 1980s.
We should be involved in resolving critical issues like global warming, coastal erosion, acid rain, and habitat destruction because of urban sprawl.