помогите решить, пожалуйста, срочно

1 a lot of rubbish was dumped into the sea last year.

2 the atmosphere is polluted by exhaust fumes from the cars.

3 many people are annoyed by loud motorbikes.

4 a new recycling scheme has been introduced by them

5 a lot of waste is being pumped into rivers by factories.

6 a new airport is going to be built here next year.