Презентация. Проблемы окружающей среды.

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Only after the Last Tree has been Cut Down Only after the Last River has been Poisoned Only after the Last Fish has been Eaten Only THEN will you Find That… H.D. Thoreau.

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For thousands of years the Earth has given support to all forms of life. But now people are killing our planet.

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Automobiles and other new inventions make pollution steadily worse. Since the late 1960's people have become alarmed with the danger of pollution.

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Air, water, and soil are necessary for existence of all living things. But polluted air can cause illness, and even death. Polluted water kills fish and other marine life. On polluted soil, food can not be grown. In addition environmental pollution spoils the natural beauty of our planet.

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Sorting of dust 2 Sorting of dust 1

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Thus, people would have to stop using many useful things if they wanted to end pollution immediately. Most people do not want that of course. But pollution can be reduced gradually.

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Scientists and engineers can find the ways to reduce pollution from automobiles and factories. Government can pass the laws that would make enterprises take measures for reducing of pollution. Individuals and groups of people can work together to persuade enterprises to stop polluting activities.

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Every year world industry pollutes the atmosphere with about 1000 million tons of dust and other harmful substances. Many cities suffer from smog. Vast forests are cut and burn in fire. Their disappearance upsets the oxygen balance. As a result some rare species of animals, birds, fish and plants disappear forever, a number of rivers and lakes dry up.

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THE END PROTECT THE ENVIRONMENT!