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Climate change: On the edge
Greenland ice cap breaking up at twice the rate it was five years ago, says scientist Bush tried to gag
A satellite study of the Greenland ice cap shows that it is melting far faster than scientists had feared - twice as much ice is going into the sea as it was five years ago. The implications for rising sea levels - and climate change - could be dramatic.
Yet, a few weeks ago, when I - a Nasa climate scientist - tried to talk to the media about these issues following a lecture I had given calling for prompt reductions in the emission of greenhouse gases, the Nasa public affairs team - staffed by political appointees from the Bush administration - tried to stop me doing so. I was not happy with that, and I ignored the restrictions. The first line of Nasa's mission is to understand and protect the planet.
This new satellite data is a remarkable advance. We are seeing for the first time the detailed behaviour of the ice streams that are draining the Greenland ice sheet. They show that Greenland seems to be losing at least 200 cubic kilometres of ice a year. It is different from even two years ago, when people still said the ice sheet was in balance...
...said Eric Rignot of NASA's Jet Propulsion Laboratory in Pasadena, California.
None of the current climate and ice models predict this. But I prefer the evidence from the Earth's history and my own eyes.
Originally posted by Blaine91555
Sounds like a renegade scientist to me. I think I'd do some research on this person and their credibility before having a panic attack about what was said.
Jim Hansen, the director of the Nasa Goddard Institute for Space Studies in New York, is President George Bush's top climate modeller.
If he is credible; what's a NASA scientist doing going to a foreign newspaper. Also consider the source. Is it reliable?
The satellite photo at far left shows the Larson B ice shelf on Jan. 31, 2002. Ice appears as solid white. Moving to the right, in photos taken Feb. 17 and Feb. 23, the ice begins to disintegrate. In the photos at far right, taken Mar. 5 and Mar 7, note water (blue) where solid ice had been, and that a portion of the shelf is drifting away. Photos: National Aeronautics and Space Administration
Originally posted by Blaine91555
Sounds like a renegade scientist to me.
Originally posted by soficrow
Originally posted by Blaine91555
Sounds like a renegade scientist to me.
Forget Bin Laden. Forget Hussein. We have a new boogeyman!
Renegade Scientists Attack!
Where are all those threads on dead microbiologists?
Originally posted by loam
It's in the second paragraph of your article:
...said Eric Rignot of NASA's Jet Propulsion Laboratory in Pasadena, California.
Don't worry, I do that all the time...(I'm an abusive skimmer. )
[edit on 16-2-2006 by loam]