Air pollution

Air pollution linked to risk of premature death

Cleaning Up Air Pollution May Strengthen Global Warming

10 Facts About Air Pollution

Air pollution causes 7,700 premature deaths in Canada each year, costs $36B: report

How Much Air Pollution Comes From Cars?

Where Does Air Pollution Come From? - Air (U.S. National Park Service)

US Air Pollution Has Changed Its Chemical Makeup Since 2006

10 Common diseases caused by air pollution - In Pics

Does air pollution cause climate change?

Five Sectors Contributing to Air Pollution, by Center for Study of Science, Technology and Policy