The big thaw

This easily makes our list of Most Astonishing Video of 2012. There must be more boring ways of spending a day than sitting and waiting for glaciers to melt and collapse, but sometimes it pays off as it did for the videographers in this footage. You’ll want to expand it to “full screen” size.

It’s part of a movie — Chasing Ice — released last week from photographer James Balog, who is said to have once been a skeptic about climate change.

It took his team weeks to get the shot of the Ilulissat glacier in Greenland.

(h/t: Mashable)