Want Smog free cities? Just apply Sunscreen…

Ok, not exactly sunscreen, but titanium dioxide (an ingredient in many sunscreens) has been shown to reduce smog so much that it is now being proposed as a coating for buildings.

“The aluminum company Alcoa has created a titanium dioxide coating for aluminum panels designed to cover buildings like a shell.” "The firm claims that 1,000 square meters of the coated panels eat up the equivalent NOx output of four cars."

Read more: http://bit.ly/rsQ4yp

Or: http://bbc.in/v592aL