........too much litter

there is ..........noise

there is.........pollution

there are .........garbage cans

we could........

There are......endangered animals

...........too many cars

There are..........buses

There is too much ..............it makes the air dirty

There are not enough............. We need more trees and grass

There are not enough .........

There is .......clean air

..........too much litter

...........not enough green areas