Comment:Lines in the Sand by Elizabeth Kolbert May 27, 2013
When the milestone was passed, Keeling’s son Ralph, a geochemist at the Scripps Institution of Oceanography, glossed the event as follows: “It means we are quickly losing the possibility of keeping the climate below what people thought were possibly tolerable thresholds.” Maureen Raymo, a marine geologist at the Lamont-Doherty Earth Observatory, was more blunt. “It feels like the inevitable march toward disaster,” she told the Times. ….(read more).