____ falling on forests has killed a lot of trees in the last 20 years. The council is encouraging us to ____ more household rubbish. Factories and vehicles produce a lot of dangerous ____. ____ of the atmosphere has increased over the last 50 years, making the environment very dirty. The effect of gases in the earth atmosphere is preventing the earth from losing heat, this is called the ____. The hole in the ____ is getting larger every year. If ____ continues, there is a danger that the polar ice-cap will start to melt. We take all our empty bottles to the ____ so that the glass can be used again. Long period of drought have brought about the ____ of whole areas of central Africa. Tigers, whales and panda bears are all ____ species. People are worried that soon whales will become ____. We should use fewer ____ such as oil and coal, and look to other energy sources such as tidal energy and solar power.

The Environment

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