Avant et après: Athabasca Glacier (15 sep. 2011 & 1 juin 2015)
Chaney Glacier in Glacier National Park, circa 1910. Image 3 of 6. | U.S. Geological Survey
By 2030, all 150 glaciers in Glacier National Park will vanish. See their shocking disappearance over time: http://on.msnbc.com/1GjOTXh | By MSNBC | Facebook
Chaney Glacier - Wikipedia
Chaney Glacier in Glacier National Park, circa 1962. Image 6 of 6. | U.S. Geological Survey