Содержание
- 2. The protection of nature has become one of the most burning problems of the 21th century.
- 3. Since ancient times Nature has served Man, being the source of his life. For thousands of
- 4. With the development of civilization man's interference in nature began to increase. The by-products of people's
- 5. The most polluted is air, water and land now. People don’t think about the consequences of
- 7. Water The level of water treatment is extremely low By water pollution distinguished: chemical physical (thermal,
- 8. Air Air pollution is a problem the 21st century. Main pollutants are emissions to air pollutants.
- 9. Deforestation Vast forests are cut and burn in fire. Their disappearance upsets the oxygen balance. As
- 10. Land Contamination of soils also occur as a result of agricultural practices, pesticides pesticide residues unused
- 11. The most horrible ecological disaster befell Ukraine and its people after the Chernobyl tragedy in April
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