A Warming Effect
The 60 Minutes team climbed to a spot where glaciologist Dr. Gino Cassasa had crossed from earth to ice in 2004. But now, in 2007, that spot was covered by water. Much to his surprise, there's a thousand feet of water where he walked three years ago. The group had to hike for hours to get to the ice. When they got there, they found it blackened by earth and volcanic ash.
Author: CBS News Staff
Credit: CBS/Catherine Herrick
