You might be surprised to hear that this isn't the largest source of fine-particulate air pollution. Another huge source of pollution, many argue, is unavoidable and relates to our basic need to eat.
There might be some good news, though. If pollution from one source is reduced, the impact of the other is lessened.
If you don't already know about the main source of air pollution, you need to read this article and SHARE it with your Facebook friends.
Across the world, over three million deaths result from air pollution per year.
Researchers believe that this number could double by the year 2050.
Authors of a study published in Nature urged that unless world governments do something about pollution fast, this number could go even higher.
Fine-particulate air pollution results from a combination of different sources of emissions.
This is the main thing that people misunderstand about air pollution. It doesn't just result from industrial emissions alone. Fine particles from smokestacks, forest fires, or automobiles fill the air and combine with emissions from largely agricultural sources.
Yes, farms that grow our healthy, natural food are the biggest single contributor to this form of air pollution.
The GIF below shows how nitrogen dioxide levels have in fact dropped between the years of 2005 and 2011 specifically. You will notice how there is less red around major urban centers as the animation gets closer to us in time.
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