Cenozoic Ice Age Caused by Drop in CO2… Because Models

Guest “I couldn’t make this sort of schist up if I was trying” by David Middleton H/T to Robert Bissett… Drop in Greenhouse Gas Caused Global Cooling 34 Million Years…

Back to the Future: Paradise Lost, or Paradise Regained?

Guest post by Paul MacRae In June, a NASA climate study announced that the warm middle Miocene era, about 16 million years ago, had carbon dioxide levels of 400 to…