Презентация по английскому языку, демонстрирует возможные негативные воздействия человека на природу,в рамках темы"Защита окружающей среды"
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negativnoe_vozdeystvie_cheloveka_na_okruzhayushchuyu_sredu.pptx | 1.09 МБ |
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The negative human impact on the environment . Teacher T.A. Sadovnikova Bartsits ArtemСлайд 2
Currently, there are changes in the environment, associated with human activities. It is, first of all, the clogging of the air, water, waste treatment and other.
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Contamination of the atmosphere — one of the critical environmental problems today. For any living organism the air is very important.
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Hazardous air pollutant are enterprises of the metallurgical industry, throwing in the air a variety of chemical compounds, especially heavy n rare metals.
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Another dangerous air pollutant is tobacco smoke from the air gets nicotine and carbon monoxide. As a result of atmospheric pollution have emerged such as increasing the overall temperature of the Earth; the ozone hole, smog, acid rain.
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One of the most important environmental problems in our time is the cutting down of forests. After all, a pace on Earth soon there will be no tree.
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The destruction of forests is causing significant and diverse planet. The smaller forests, the more carbon in the atmosphere. With the disappearance of the forest become extinct animals.
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But, unfortunately, deforestation is inevitable because man needed the land for agriculture. After all, even the richest, is unable to feed. Gradually the infrastructure — cities, roads — stimulates this process.
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The main sources of pollution and contamination of water is insufficiently treated industrial waste water and utilities, large animal husbandry complexes, production waste in developing mineral deposits; water mines, mines, water and railway transport.
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At the present stage the main pollutants of inland waters, waters seas and oceans are crude oil and oil products. Water pollution is a major concern with pesticides and fertilizers that fall from fields along with jets rain and melt water.
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From the above it can be concluded that humanity should strive to harmonize their activities and to bring it into conformity with the laws of nature. The negative impact of man on nature was already evident in the form of disasters and global climate change. All this to say that all the people on earth are responsible for what is happening to the planet today, and only through the joint efforts of our civilization will be able to overcome all the difficulties.
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Thank you for your attention
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