New technique shows old temperatures were much hotter than thought
arstechnica.com
arstechnica.com
Then I reread and saw the part about increased greenhouse gas effects… I hope those calculations at least are inaccurate.
Not to mention we are already halfway to more than doubling pre-industrial atmospheric CO2 levels, the nightmare scenario with 4+ degree warming of the planet seems more likely. These findings mean its going to happen even faster than we thought.