Definition of «to pollute the air»

The phrase "to pollute the air" means to make the air dirty or harmful by releasing harmful substances or gases into it.

That global warming is happening because people are polluting the air with increasing amounts of greenhouse gases. (sciencenewsforstudents.org)
I love that I'm not polluting the air. (crunchydomesticgoddess.com)
, the single largest contributor to global warming, and makes us sick by polluting our air and water with toxic pollution like mercury. (greenpeace.org)
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