At first glance, limiting traffic in the city centers appears to be a good way to reduce contamination (is it pollution more appropriate? )pollution. At first glance, limiting traffic in city centers appears to be a good way to reduce pollution.

Yes, "contamination" is used with disease (bacteria, viruses).

At first glance, limiting traffic in the city centers appears to be a good way to reduce contamination (is it pollution more appropriate? )pollution. At first glance, limiting traffic in the city centers appears to be a good way to reduce pollution.

"Pollution" is definitely more common in the US.

At first glance limited traffic in the city centers appears to be a good way to reduce contamination (is it pollution more appropriate? ). At first glance limited traffic in the city centers appears to be a good way to reduce contamination (is it pollution more appropriate? ).

Yes, pollution would be better. But contamination still gives the same message across!

Namely, a considerable reduction in the commerce (should I use trade? I'm refering to shops, restaurants...). Namely, a considerable reduction in commerce.

Commerce is correct for local shops and restaurants. "Trade" refers to business between two different areas.

Namely, a considerable reduction in the commerce (shcould I use trade? I'm refering to shops, restaurants...)occur. Namely, a considerable reduction in commerce could occur.

"Commerce" is okay.

Namely, a considerable reduction in the commerce (should I use trade? I'm refering to shops, restaurants...). Namely, a considerable reduction in commerce (should I use trade? I'm refering to shops, restaurants...).

In this situation commerce is correct.

It's one thing to set a limit to theon pollution, but quite another to empty out downtowns. It's one thing to set a limit on pollution, but quite another to empty out downtowns.

It's one thing to set a limit to the pollution, but quite another to empty out downtowns. It's one thing to set a limit to the pollution, but quite another to empty out downtowns.

It's one thing to set a limit to the pollution, but quite another to empty out downtowns. It's one thing to set a limit to the pollution, but quite another to empty out downtowns.

What did you mean in the second half of the sentance?

It goes without saying that thisese kinds of measures should be always go along with higher investments in public transportation. It goes without saying that these kinds of measures should always go along with higher investments in public transportation.

"Public transport" is technically correct but "public transportation" sounds a little more natural.

It goes without saying that thisese kinds of measures should be always be developed along with higher investments in public transportation. It goes without saying that these kinds of measures should always be developed along with higher investments in public transportation.

It's paramount that governments stay committed with thisto these types of measures, since air contaminapollution will be a crucial issue in the long term everywhere. It's paramount that governments stay committed to these types of measures, since air pollution will be a crucial issue in the long term everywhere.

It's paramount that governments stay committed with thisese types of measures, since air contaminapollution will be a crucial issue in the long term everywhere. It's paramount that governments stay committed with these types of measures, since air pollution will be a crucial issue in the long term everywhere.

Taking everything into account, people should think about giveing up a bit ofthe small convenience of driving their own cars along thein city centers, in favour of a healthier future. Taking everything into account, people should think about giving up the small convenience of driving their own cars in city centers, in favour of a healthier future.

Just a note that "favour" is British English spelling, and the American English spelling is "favor." It depends on your audience :)

Taking everything into account, people should think about giveing up a bit of convenience ofor driving their own cars alongwithin the city centers, in favour of a healthier future. Taking everything into account, people should think about giving up a bit of convenience for driving their own cars within the city centers, in favor of a healthier future.