Dizionario Tedesco - Inglese

verschmutzen in inglese:

We ought to do our best not to pollute our environment.

Factories pollute the environment.

The environment is polluted in different ways.

All vehicles that use petrol pollute the environment

Cycling is good exercise. Moreover, it doesn't pollute the air.

Industrial wastes pollute the earth.

Travelling by bus or bike, you could pollute less.