Some studies suggest this «dirty ice» or «dark snow» is caused by fallout from fossil fuel pollution and forest fires. (sciencedaily.com)
Of course, this climate - changing consequence of fossil fuel burning will only be an issue if the world continues to pump fossil fuel pollution into the skies. (chimalaya.org)
Finally, talking about the harm caused by global fossil fuel pollution gets us out of a very limited conversation about national emissions. (slaw.ca)