1.

Pollution

2.

Trees

3.	Rain forest

4.	Global warming

5.

Floods

6.	Ozone layer

7.	Endangered species

8.

Waste

9.	Earthquake

10.

Smog

11.	Acide rain

12.	Another problems of today's world

"4. Global warming
● is caused by greenhouse effect
● climate changes and it is dangerous for people and animals
● the temperature and the sea level are rising
● icecaps are melting
● floods
5. Floods
● is caused by long heavy rains or whena lot of snow melt in the spring and water run down from mountains
● are damaged houses, bridges, roads and killed people and animals who don't run away in time
6. Ozone layer
● is in the atmosphere
● protects life on Earth from (against) ultraviolet rays – skin cancer is caused
● people protect to use creams, don't sunbathe along time,...
● It is caused by the use of gas (plynový) freons
● The hole is caused by the chemicals and it is getting larger.
7. Endangered species
● are hunting by people for skin, meat and money
● are dying out because the environment is wrong
● haven't got to drink and eat because people are cutting rain forest
8. Waste
● we should sort and recycle (use again)
● nuclear waste is dangered and radioactive
-they should take in space or another country
-dump into the sea
-burry into the ground
9. Earthquake
● is caused movement of the litospheric bords and explosions of volcanoes
● bulding fall down and everybody is in danger
● under the ocean can cause a big tidal wave
● volcanoes produce a lot of dust, smoke and lava
-pours out and burns everything
10. Smog
● we can't breathe
● is very unhealthy
● is in larger cities
11. Acide rain
● kills fish and trees
12. Another problems of today's world
● famine in Africa
● terrorism
● illnesses – people infected with HIV virus
● life in big cities – overcrowded, overpopulated"