4 Quotes by John Wahr

Both of these effects are due to warming. Because the atmosphere is warmer, it holds more moisture, so you get more snow. But because it's warmer, the edges of the ice are breaking up.

The strength of Grace is that we were able to assess the entire Antarctic region in one fell swoop to determine whether it was gaining or losing mass.

A little bit of change in one of these things could throw it all out of balance and, evidently, that is what is going on.

It's a big place down there, and until now it has been very hard to get a handle on what's happening to the whole ice sheet. The changes we are seeing are quite clearly global warming at work.