Презентация ученицы 9 класса на тему окружающей среды
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problemy_okr.sredy_.pptx | 625.12 КБ |
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Environmental challengesСлайд 2
Basically , in many environmental problems to blame people . So , let's look for solutions to these problems ! To solve the problem of pollution of the land must : do not litter !
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= Water pollution is connected, first of all, with discharge into waters of untreated or inadequately treated liquid industrial, agricultural and domestic waste water. To purify water should not pour waste into the water .
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Soot hydrocarbons and trace elements, and their emissions are not allowed. Due to the fact that the exhaust gases of cars coming into the lower layer of the atmosphere, pollutants are practically in the breathing zone of the person. Therefore, motor vehicles should be classified as the most dangerous sources of air pollution near highways. To reduce the exhaust gas , go on the bike . And the health of sub-rule :)
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Deforestation-cutting down trees in Forests Loss or destruction of natural forests, mainly the result of human activities related to logging. The wood is used as fuel, raw materials for pulp and paper mills, construction material, etc.
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Acid Rain The only way to change things for the better - is to reduce the amount of acid-forming emissions. In the power system this can be achieved by switching from coal to natural gas as the sulfur content of the gas is much less than in the coals.
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