Classwork

1. b.

1. In 2007, politicians in Paris started a scheme to reduce pollution in the city.
2. People only have to pay if they use the bike for more than half an hour.
3. At more than 1450 bicycle stations, people can take bikes and leave them
4. Some people still use cars to travel across the city.
5. Politicians think the Velib scheme might help to make the air in Paris cleaner.
6. If we don't change the situation, the problem of pollution will get bigger.

2. c.
1. Don't drop litter. Someone has to recycle it pollute!
2. We will pick up your empty bottles. Leave them here.
3. Water is important, so don't waste it.