The Radiative Forcing of the CO2 Humans Have Put in the Air Equals 1 Million Hiroshima Bombs a Day | ThinkProgress

few of us have any useful reference frame for comparison

Bye-Polar Disorder: Judge Upholds ‘Threatened’ Listing for Polar Bear, Leaving It on Road to Extinction | ThinkProgress

it is extremely likely the Arctic will be virtually ice free in the summer within about two decades, and it wouldn’t be surprising if it happened within one.
...Ursus maritimus as a whole will be irreversibly doomed.

James Inhofe: Al Gore Is Right, Obama's Bailed On Talking About The Environment | TPMDC

As for Obama, Inhofe said that the president is feeling the shift away from global warming support as well. The American people don't want to hear about global warming anymore, Inhofe says, and Obama is obliging them.