1. The Earth is our home

2. These are the names of the environmental problems of today: Littering Air pollution, smog Water pollution Overcrowding, overpopulation Endangered species, animals which are almost extinct Destruction of natural resources

3. Read the meaning and guess the word: 1.The scientific study of the natural relations of plants, animals, people and their surroundings 2.The act of making (air, water, land) dangerously impure. 3.Too many people in one place. 4.The act of destroying, putting an end to the existence of something. 5.The act of throwing things away untidily. 6.Plants, animals, people. 7.The natural home of a plant or animal A.Pollution B.Habitat C.Destruction D.Living things E.Ecology F.Littering G.Overcrowding

4. Fill in the blanks: The Earth is our _____________. We must take care of it. The importance of this is ________________ by the ecologists, scientists, who study the relations between living things and their _____________. Each of us must do everything possible to _________the land, air and water clean. Of course, people undertake some measures to ____________the environment, but this activity is complicated by the economic difficulties. protect,home, keep, pointed out, environment

5. Fill in the blanks: The Earth is our home. We must take care of it. The importance of this is ________________ by the ecologists, scientists, who study the relations between living things and their _____________. Each of us must do everything possible to _________the land, air and water clean. Of course, people undertake some measures to ____________the environment, but this activity is complicated by the economic difficulties.

6. Fill in the blanks: The Earth is our homt. We must take care of it. The importance of this is pointed out by the ecologists, scientists, who study the relations between living things and their _____________. Each of us must do everything possible to _________the land, air and water clean. Of course, people undertake some measures to ____________the environment, but this activity is complicated by the economic difficulties.

7. Fill in the blanks: The Earth is our home. We must take care of it. The importance of this is pointed out by the ecologists, scientists, who study the relations between living things and their environment. Each of us must do everything possible to _________the land, air and water clean. Of course, people undertake some measures to ____________the environment, but this activity is complicated by the economic difficulties.

8. Fill in the blanks: The Earth is our home. We must take care of it. The importance of this is pointed out by the ecologists, scientists, who study the relations between living things and their environment. Each of us must do everything possible to keep the land, air and water clean. Of course, people undertake some measures to ____________the environment, but this activity is complicated by the economic difficulties.

9. Fill in the blanks: The Earth is our home. We must take care of it. The importance of this is pointed out by the ecologists, scientists, who study the relations between living things and their environment. Each of us must do everything possible to keep the land, air and water clean. Of course, people undertake some measures to protect the environment, but this activity is complicated by the economic difficulties.

10. Our environment is very polluted today: no doubt everybody knows it.

11. Litter burn ittake it with them bury it under the ground

12. The environment is our home water air oceans forests plants animals

13. Machines pollute the atmosphere and destroy the ozone layer There are more than 2 000 000 animals 20 000 kinds of fishes 2 000 000 kinds of different insects The quantity of animals decreases It is time to stop it ! The water is polluted.

14. Have you ever heard this word ? GREENPEACE This organisation: protects the environment fights against water and air pollution protects animals and plants regulates the ecological situation

15. Forests are our wealth  30% of the Earth’s land  natural recycle, provider and protector for our planet  the key to our survival on the Earth

16. Have you ever thought of your future?

17. Pollution can be reduced gradually. What can we do keeping the Earth clean?

18. The Republic of Mari El

19. The Kokshaga river