Mysterious 'chemical cloud' wafts over British coast, sickening hundreds
August 29, 2017, 12:22 p.m. by Angela Nelson
But what was it, and where did it come from?
Rush-hour pollution is a bigger problem than we thought
August 14, 2017, 2:03 p.m. by Sidney Stevens
A new study says commuting to work by car may be far more harmful to your health than previously believed.
The worst everyday air pollutants — and what they do to our bodies
May 24, 2017, 4:53 p.m. by Katherine Butler
Here's how some of the most common air pollutants are created and the effect they have on our bodies.
Artificial photosynthesis achieved in device that also cleans the air
April 27, 2017, 2:51 a.m. by Bryan Nelson
It's a breakthrough that scientists around the world have been pursuing for years.
What's in that smoke from the Atlanta highway fire?
March 31, 2017, 4:57 p.m. by Lloyd Alter
PVC puts out a lot of nasty stuff when it burns, and it's probably still in the soot.
Champs-Elysees is going car-free the first Sunday of each month
May 9, 2016, 11:25 a.m. by Jaymi Heimbuch
Paris gives cars the boot on this popular thoroughfare one day a month to promote clean air and exploring the city on foot.
15 houseplants for improving indoor air quality
January 29, 2016, 1:07 p.m. by Julie Knapp
In the late '80s, NASA and the Associated Landscape Contractors of America studied houseplants as a way to purify the air in space facilities. They found several plants that filter out common volatile organic compounds (VOCs).
Italian mayor puts kibosh on wood-fired pizza ovens
January 8, 2016, 3:30 p.m. by Matt Hickman
Neapolitan pies are served with a hint of smog in San Vitaliano.
One woman met a stray dog — and changed everything for a forgotten breed
Parallel worlds exist and interact with our world, say physicists
Eye-popping Icelandic crosswalk brings traffic to a crawl
Don't miss the 'super blue blood moon' on Jan. 31
Remember that kid who invented a way to clean up ocean plastic? He's back, and it's happening
Everyone's favorite hippo is turning 1