Carbon dioxide is a big contribution ______ pollution.

The earth is our only ______- and we must protect it and take care of it as much as we can. Pollution must be stopped before we ruin our planet.

______, pollution must be stopped immediately.

on this planet _____ our children’s children can live in a planet without worries.

We can live longer and ______ our existence …

Air pollution causes two million deaths per year, _______ from heart disease and respiratory disorders like infections and lung cancer.

The second reason why we should stop pollution is that it also has an influence _______ us - humans.

The way it works is that certain ‘greenhouse gases’ can't escape from our atmosphere ____ they get trapped.