LIKE GLACIERS EVERYWHERE, THIS ONE IN THE SWISS ALPS IS MELTING FAST. THE BLUE SHOWS IT AS IT WAS IN 1989 (L) AND IN 2017 (R). PHOTOS BY NASA
The northern prairies in Canada were also the scene last spring and summer of record wildfires. In Saskatchewan, they forced tens of thousands of people from their homes for weeks and destroyed wide areas of the Boreal forest.
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