Nature, environment and global issues

  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 ...