As photographer James Balog with the Extreme Ice Survey states in this July 2009 TED Talks, “Ice is the canary in the global coal mine”. Watch his talk as he provides some of the most astounding visual evidence of global climate change.
James Balog and the Extreme Ice Survey were featured in a one-hour documentary on NOVA/PBS on March 24, 2009. You can watch the program online at NOVA/PBS.
View a Google Earth overlay with photos and time-lapse videos here
The Physical Environment link -> Climate Change: Global Warming, Evidence from Glaciers