написать 5-6 предложений об экологической проблеме

1) Environmental issue - a change of the environment as a result of human impact or natural disasters, leading to disruption of the structure and functioning of nature. Environmental issue is determined by the change in the properties of landscapes, and the degree of its manifestation may be characterized by the intensity and areal extent of these changes, as well as the nature of the properties (attributes) of individual problems. Conventionally, the whole problem of the degradation of the global ecological system can be divided into two parts: the degradation of the natural environment as a result of poor environmental pollution and its human waste deyatelnosti. V recent times environmentalists began to call another global environmental problem - the problem of the greenhouse effect. 2) Ecology of Russia is characterized by a large number of different environmental problems. Many of them went to Russia inherited from the Soviet Union, where economic management often led to environmental pollution, especially in heavy industry and mining. While often considered authority environmental concerns irrelevant and unnecessary. As a result, according to some estimates, about 40% of the territory of Russia by the end of the 1990s. experienced the serious environmental problems such as deforestation, contamination, pollution of air and water. According to official figures, 15% of the territory of the Russian Federation, where approximately 60% of the population, environmental quality is poor.