Left: Blackfoot-Jackson Glacier 1913. Blackfoot-Jackson Glacier seen in 1914. Credit: GNP Right: Blackfoot-Jackson Glacier 2009. Blackfoot-Jackson Glacier photographed in 2009. For the new results ...
But when a glacier breaks up, the images can be breathtaking — and a sobering reminder of the trouble we are in. Reuters photographer Lucas Jackson managed to document one of these moments when ...