Acid Rain 12
Beginning of paper
Lake Barkevatn in Aust-Agder county used to have healthy stocks of trout and perch. As a result of acid rain, the trout stock died out in the mid-1970s and the perch stock at the beginning of the 1980s.
· Precipitation that is polluted by sulphur dioxide (SO2) and nitrogen oxides (NOX) is known ....
Middle of paper
.... from 1980 to 1993. In the same period, Norway's emissions were reduced by more than 70 per cent.
· As a result of higher precipitation in recent years, sulphur deposition has not dropped as much as might be expected from the reductions in emissions.
· Estimates of how much pollution the environment can absorb without damage are called critical loads.
· Sulphur, like nitrogen, is essential to all animals and plants. The natural sulphur cycle includes volcanic emissions, sulphate in s ....
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Word count: 1314
Page count: 5 (approximately 250 words per page)
