environmental pollution
The main sources of pollution
Proihodit pollution resulting from emissions of industrial , transport and other enterprises of dust and heavy metals.
People living in metropolitan areas often suffer from asthma and other pulmonary diseases.
Pollution - the cause of 40 % of deaths in the world.
People do not realize that they suffer from other.
There are organizations to restore the ecology of the Earth.
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Environmental pollution

1. environmental pollution

Laptev Pavel

2. The main sources of pollution

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