TAR SANDS = BAD AIR, by WUSTL ALUM: JOSEPH STROMBERG

Mining Tar Sands Produces Much More Air Pollution Than We Thought

By Joseph Stromberg

smithsonianmag.com February 3, 2014

Read more: http://www.smithsonianmag.com/science-nature/mining-tar-sands-produces-much-more-air-pollution-we-thought-180949565/#ixzz2svOlyvui