Science Quickly

Sunlight Activates Smog-Causing Chemicals in City Grime

Aug 20, 2015 · 3 min
0:00-3:25

Streams straight from the publisher. podnod never proxies or re-hosts episode audio.

The grime on city buildings and may actively contribute to urban air pollution. Christopher Intagliata reports

Learn more about your ad choices. Visit megaphone.fm/adchoices