презентация про "экологию Казахстана" на английском языке

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Маринчик6

23 авг. 2014 г., 9:09:18 (9 лет назад)

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In Kazakhstan, the development of the mining and processing industry in the past five years, the rate of growth of these industries to grow. Constructed and put into operation of large industrial facilities, which leads to increased air pollution, the deterioration of the environment in Kazakhstan as a whole. After many years in the country has accumulated more than twenty billion tons of waste, of which about a third are toxic. The bulk of this waste - the result of the mining and ore processing industry, ferrous metallurgy, petrochemical industry, production of building materials. Despite the fact that the big companies and the government to develop a plan to combat air pollution, the environment in Kazakhstan is poor.

The big problem is the disposal of petroleum and natural gas for the production of hydrocarbons. The burning of associated gas flaring are emissions of nitrogen oxides, sulfur dioxide, soot.

The most harmful of production - is lead-zinc in Ust-Kamenogorsk lead-phosphate in Shymkent, Taraz phosphorus industry, chrome company Aktyubinsk. Most polluted air over the East Kazakhstan, Karaganda, Pavlodar region.

In the cities of Kazakhstan main contribution to air pollution is making road transport. Poor quality of fuel used and the lack of filters for cleaning exhaust gas, the poor condition of the rolling stock fleets, increasing the number of vehicles in urban areas, leads to the fact that in the atmosphere huge amounts of carbon monoxide, lead, etc.

Fifteen cities of the increased levels of air pollution harmful emissions. Among these cities - Zyryanovsk, Aktau, Temirtau, Taraz, Petropavlovsk, Shymkent, Almaty. High levels of air pollution in cities is a consequence of outdated production technologies, ineffective treatment facilities, poor quality of fuel used. The main pollutants - is dust, sulfur dioxide, nitrogen dioxide, hydrocarbons, phenol, lead, hydrogen sulfide, hydrogen chloride, ammonia, etc. Each of these substances is their negative impact on health. Dust, for example, causes respiratory agents, liver, and blood. Most dusty cities of Kazakhstan - Aktau, Atyrau, Zhezkazgan, Semipalatinsk, Ust-Kamenogorsk. Nervous system disorders may be caused by a high content of carbon monoxide in the air. This gives rise to headaches, decreased memory, upset sleep. The high content of carbon monoxide found in cities such as Almaty, Aktobe, Karaganda, Kostanay, Petropavlovsk, Pavlodar, Semipalatinsk, and others. If air is present in several types of pollutants, which is usually the case, the negative effect is further enhanced. It affects the immune system, which often leads to cancer.