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английский) 2:
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The impact of the environment on human health .... Because of the pollution there is a decrease in soil fertility, land degradation and desertification, destruction of flora and fauna, the deterioration of air quality, surface water and groundwater. Taken together, this leads to the disappearance from the face of the Earth's entire ecosystem and species, the deterioration of the health of the population and reduce the life expectancy of people. About 85% of all diseases of modern man due to unfavorable environmental conditions arising in his own fault. Not only that dramatically decreases the health of people: there were previously unknown diseases, their causes can be very difficult to establish. Many diseases have become more difficult to heal than before. So now the very acute problem of "Human Health and the Environment" ...... As a result of human activities in the atmosphere, note the presence of a variety of solids and gases. Entering the atmosphere of carbon oxides, sulfur, nitrogen, hydrocarbons, lead compounds, dust, etc. have different toxic effects on the human body ....? Human activity over the past 10 - 20 thousand years manifested itself in practically all regions of the globe. But increasingly, any human activity is the main source of pollution.
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