environmental problems with definitions
Дайте опредедения на английском вот этим словам
Rubbish
Air pollution
Deforestation
Water pollution
Energy waste
Endangered species

3 the action of clearing a wide area of trees.

4 the contamination of water bodies , usually as a result of human activities.

5 the process of generating energy in the form of electricity and/or heat from the primary treatment of waste. 

6 a species of animal or plant that is seriously at risk of extinction.

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