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Geologic records determined by ice cores covering more than 500,000 years of ice ages and subsequent warming periods now indicate that the global climate will warm faster than expected.
This accelerated warming could push the global sea level greater than 3 feet higher by the end of the century, according to a group of scientists at the American Geophysical Union's annual meeting in San Francisco.
The 2007 IPCC projected less than 2 feet of sea-level rise from warming in this century, partly because the report called such sudden ice sheet melts too hard to project for reliable estimates, according to the ABC News article.
Also from the ABC News story....... All of the studies of carbon dioxide doubling effects show temperatures increasing, regardless, says climate scientist Ken Caldeira of Stanford University.
"We cannot double carbon dioxide," said NASA climate scientist James Hansen, who has been a central figure among climate scientists calling for actions to curb greenhouse gas emissions since 1988. "We will be sending the climate back to a state very different from what humanity is used to."
Also, from the AGU meeting a representative from NASA announced (via the San Francisco Examiner).....
“My guess is that it isn’t that there are a lot of climate change deniers in as so much as the few of them there are - are just loud.”
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