problems

cars: the burning of petroleum causes global warming ( nóng lên toàn cầu ), CO thins the ozone layer, 

energy: costs a lot of money, 

water: showers use a lot of water 

sollutions:( giải pháp )

cars: try to walk, cycle ( đạp xe ) or use public transportation

energy: turn the heat down, use low energy light bulbs instead of regular light bulbs

water: buying a special

- Car: 

+ Problem: The car use petroleum to run, but petroleum is the biggest sources of carbon monoxide (CO) make the global warming. CO also destroy the Ozone layer, which protects us from the the sunrays.

+ Solution: Try to walk, cycle or use public transportation.

- Energy:

+ Problem: The energy use for heating and cooling homes cost lots of money.

+ Solution: 

* Turn the heat down, especially at night.

* Replace the regular light bulbs with low energy light bulbs, which use less energy.

- Water:

+ Problem: Showers use a lot of water.

+ Solution: Buying a special