One of my students in 2002 ‘¦ was on a cruise to the Antarctic, and in January they collected samples along the Larsen B ice shelf. In late February or early March of that same...

I’m no politician, and maybe that’s a bad thing. Maybe more scientists should become involved politically.

There are very obvious features we’ve observed that indicate in the last 20 years the climate has been changing. Just looking at the changes in the glaciers in 20 years, the glaciers on the coastlines...

We’re at a point now where it is hard to predict what is going to happen. We’ve seen situations that were maybe similar in the past but that is all interpretive; we haven’t lived it.