CNN The Lead With Jake Tapper April 22, 2014 20:49:00
Astonishing rate. i never imagined that we'd see change this radical in such a short period of time. but we've seen these big tons of ice breaking back or melting off and changing the glacial dynamics of this landscape until recently people thought were big monolithic blobs. >> how do you convince skeptics that something has to change? >> many years ago i have to admit that i was one of those who thought about the belief and ideology more than evidence. i thought it was simply impossible that humans could change the basic physics of this gigantic planet of ours and once i started to understand...
Source: archive.org