Nobel Prize winning economist Paul Krugman recently published two op-eds on climate change in the NYT:

Cassandras of Climate

By PAUL KRUGMAN

Every once in a while I feel despair over the fate of the planet. If you’ve been following climate science, you know what [...]

“It was the week that wasn’t at the G20 Summit in Pittsburgh, at least when it comes to seeing any strong commitment from world leaders on the issue of climate change. There was anticipation that an agreement may have been in the works to see a funding commitment to assist developing nations in reducing their dependence on fossil fuels, but it never materialized. International climate financing is a primary sticking point in the climate treaty negotiations underway in preparation for the world climate summit this December in Copenhagen”

There is a provacative series running in Nature about planertary boundaries and a “safe operating space for humanity”.  Everything in the series is free/open access here.   There is a main article and a series of essays and editorials about the approach.  Note, none of this is peer-reviewed science.  I have mixed feeling [...]

New satellite information shows that ice sheets in Greenland and western Antarctica continue to shrink faster than scientists thought and in some places are already in runaway melt mode.

British scientists for the first time calculated changes in the height of the vulnerable but massive ice sheets and found them especially worse at their edges. That’s where warmer water eats away from below. In some parts of Antarctica, ice sheets have been losing 30 feet a year in thickness since 2003, according to a paper published online Thursday in the journal Nature.