Verified answer

1. Writer 1 mentions a metro system.

2. Writer 4 mentions buses that don't use petrol. 3. Writer 2 mentions an area for insects in an airport.

4. Writer 4 mentions a green hotel

5. Writer 3 mentions a day when you cannot use a car.

6. Writer 2 mentions information about projects for young people.

7. Writer 4 was surprised by the amount of pollution in Adelaide, Australia.

8. Writer 1 thinks that people should not have to pay for transport.

9. Writer 2 thinks that the idea of having gardens and a butterfly farm in an airport

is intelligent.

10. Writer 3 likes the idea of having a day when cars are not allowed into the city

because it makes people think about the environment.

11. Writer 2 thinks that people need to learn to be tidy.

12. Writer 4 thinks it's a good idea to recycle energy and water.