Many people understand they should protect the ____. To ____ the water, air, atmosphere means to make it dirty and dangerous for people and animals to live in or to use. Environmental ____ is becoming dangerous. As the result of the fire we can speak about the ____ of the whole forest. After the hot summer there was a ____ of water. This town is a real ____! A lot of ____ from factories and plants goes into the river. There are no winners in ____ war.

Pollution (missing word)

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