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.

Environmental pollution

1. environmental pollution

Laptev Pavel

2. The main sources of pollution

English     Русский Правила