That's what a senior scientist says after reviewing a record melt of Greenland's ice sheet this past summer -- a melt that exceeded the previous record by 19 billion tons.
Scientists don't yet know whether this is a momentary blip in an overall upward trend, or the climate having rushed horribly past a tipping point. What they do know is that the Northwest Passage is navigable by boat for the first time on record. And that "the volume of Arctic sea ice at summer's end was half what it was just four years earlier, according to new NASA satellite data obtained by The Associated Press."
How serious are any of the Presidential candidates about this issue?
How serious are we as a nation? The answer appears to be "Not so much:" I came across this story on AOL's home page, which scrolls through several stories of topical interest. The story after this one was:
At least the Arctic ice melt story came first. That would never have happened in a pre-Al Gore world.