You would think that if they were having an air quality crisis in London, they would ban some dirty cars on an emergency basis like they have in other cities. But it doesn’t work that way there; after all, people have to drive.

Instead, they are telling kids not to play outdoors, adults not to do exercise, and some are making a killing selling cute masks for kids to wear.

Read more: http://www.treehugger.com/environmental-policy/pollution-so-bad-london-kids-are-wearing-masks.html