Презентация, доклад по английскому языку на тему : Пролемы загрязнения окружающей среды

today in the age of technology and industry

in natural processes, determines the climate of the Earth, protects against cosmic radiation. The main sources of chemical pollution of the atmosphere: chemical plants; power stations; transport. These pollutants cause heavy metals in the atmosphere, such as lead, mercury, chromium, copper. They are permanent components of air in industrial areas. The atmosphere is also polluted by toxic gases, which are emitted by chemical industry enterprises. Oxides of nitrogen and sulfur are the cause of acid rain and are able to react with components of the biosphere with the formation of other toxic substances.

the soil. There is a contamination of the earth with heavy metals. The main harmful element is lead. When processing lead ore, about 30 kilograms of metal are thrown out from each ton. Plums of liquid waste pollute the earth with zinc, copper and other metals.

much more than one can imagine. Oil stains and bottles floating on the surface of the water are just what you can see with your eyes. The main pollution is the composition of water. Through the fault of man, phosphates, nitrates and other salts, pesticides, radioactive isotopes fall into the water, which cause great harm to the aquatic ecosystem.

creation of national parks and reserves; increase in the number of green plantations; population control in third world countries; attracting public attention to the problem.

be solved only with the active participation of everyone who calls the planet Earth their home, otherwise an ecological catastrophe will be inevitable.