Yet More Inconvenience

Persistent near-tropical warmth on the Antarctic continent during the early Eocene epoch

"The warmest global climates of the past 65 million years occurred during the early Eocene epoch (about 55 to 48 million years ago), when the Equator-to-pole temperature gradients were much smaller than today and atmospheric carbon dioxide levels were in excess of one thousand parts per million by volume. Recently the early Eocene has received considerable interest because it may provide insight into the response of Earth’s climate and biosphere to the high atmospheric carbon dioxide levels that are expected in the near future as a consequence of unabated anthropogenic carbon emissions."

"unabated anthropogenic carbon emissions"

They did have to slip that last bit in though, didn't they? Gotta get bigger balls, folks. You're half way there. Keep going.

Same topic. Another story.

"The study in Nature suggests Antarctic winter temperatures exceeded 10C, while summers may have reached 25C.

Better knowledge of past "greenhouse" conditions will enhance guesses about the effects of increasing CO2 today."

[---]

"The early Eocene was a period of atmospheric CO2 concentrations higher than the current 390 parts per million (ppm )- reaching at least 600ppm and possibly far higher.

Global temperatures were on the order of 5C higher, and there was no sharp divide in temperature between the poles and the equator."

Inneresting, no?

Also on the same topic, I've been rereading portions of Ian Plimer's book, Heaven and Earth: Global Warming. The Missing Science. There are times in the earth's history when CO2 concentrations were much, much higher than that but no catastrophic runaway global warming occurred.