1. Of, the, problem, is, the, environment, a, pollution, serious.

2. The pollution of the environment is a serious problem

3. On our planet there are many factories. They use much oxygen for burning and throw a lot of smoke and carbon dioxide into the atmosphere.

4. The smoke hurts eyes, does great harm on plants and animals, causes diseases with people.

5. In order to protect the air against contamination, special filters are put on the factory chimneys.

6. The life is impossible without water. But only 2 percent of all the water on our planet.

7. Some countries are short of fresh water.

8. Plants and animals die in the water which is polluted.

9. Put one of the following words into each gap. 1. The ocean is a very big … (sea). 2. In the river the water is … (fresh). 3. The life is impossible without … (water).

10. We must keep water clean in rivers and lakes, because we need clean water for drinking.

11. The forests are very wholesome for people. That is why they are protected by law.

12. The worst enemy of the forest is fire.

13. It is necessary to be very careful in the forest: - do not drop burning matches, - extinguish carefully the bonfire.

14. It is a pity, but many of the flowers become rare, because the people like wild flowers and often pick them up.

15. The world needs a friend To love and depend on In times of trouble… The world has hope yet If the children let it And if we do it right Together we can make the world A better place Because the world’s best friend Is you! Marriam Mackley