electricity produced using wind turbines
damage caused to water, air, etc by harmful substances or waste
the air, land, and water where people, animals, and plants live
damage caused to air by harmful substances or waste
to put used paper, glass, plastic, etc through a process so that it can be used again
when all the trees in a large area are cut down
when we do not have enough types of plants and animals that exist in a particular area or in the world generally, or the problem of protecting this;
to get rid of something, especially by throwing it away
to destroy something completely
a long period when there is no rain and people do not have enough water
This unusual warming of the Earth has been caused by ...
Elephants were being hunted for their ...
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