7 form The Climate.

1. Climate is the weather a certain place has over a long period of time.
2. Climate has a very important influence on plants, animals and humans.
3. It is different in different parts of the world.
4. Russia is the largest country in the world.
5. It lies on a huge territory.
6. Its climate in the north, south, east and west is different.
7. In the west the climate is usually mild and wet.
8. The coldest place on the planet is in the North of Siberia.
9. The south of Russia is hot with a lot of sunshine.
10. Summer and winter temperatures are very different.
11. The climate has recently changed a lot in our country.
12. Some scientists think the world is becoming hotter.
13. Winters have become warmer.
14. Many people think it is because of the greenhouse effect.
15. Sunlight gives us heat.
16. Some of the heat warms the atmosphere, and some of the heat goes back into space.
17. The earth has become much warmer because the heat can't go back into space.
18. That's why winter and summer temperatures in many places have become higher.
19. During the last 100 years people have produced a lot of carbon dioxide.
20. It works like glass in a greenhouse.
21. It lets heat get in, but it doesn't let much heat get out.
22. So the atmosphere becomes warmer.
23. People and animals breathe in oxygen, and breathe out carbon dioxide.
24. Trees take this gas from air, and produce oxygen.
25. But in the last years, people have cut down and burnt rainforests.
26. The climate changes a little from year to year.
27. These changes can be dangerous for our fragile planet.
28. Our planet needs protection.
29. We know many secrets of our planet.
30. Yet there is still much to learn.