Listen to the article about problems for the environment.

Are these sentences true or false? Correct the ones that are false and give additional information on the ones that are true

• The Earth is 35,000 years old

• Ozone protects us from the sun.

• Aerosol sprays are the causers of the ozone layer destruction.

• The temperature of the Earth is rising.

• Animals and plants are disappearing because of the increase of the temperature.

• Many countries use the wind and sun to make electricity.

• You can only use electric cars in some cities.

Write your answers to these questions

• Why are trees important?

• What is ozone?

• What is the greenhouse effect?