Grist: Alberta`s massive wildfire is sending more than just smoke into the air.
The Fort McMurray fire, which merged with another smaller wildfire last week, has displaced residents and cleared nearly everything in its path, including swaths of the region`s dense boreal forests. The combined blaze has already released the equivalent of 5 percent of Canadas annual carbon dioxide emissions and is expected to continue to burn for the next few months. The fires have also filled Fort McMurray`s air with...