Guest geology lesson by David Middleton What’s wrong with the following paragraph? In Late Jurassic-Early Cretaceous times, Gondwana was split apart, and as rift volcanism and sea-floor spreading developed, ocean…
Tag: Miocene
Paper: 'Summer temperatures were about 10°C warmer than today, even though the concentration of atmospheric CO2 was similar'
From AAAS: From Russia with Lovely Data Climate and the atmospheric concentration of CO2 are closely linked. Brigham-Grette et al. (p. 1421, published online 9 May) present data from Lake…
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…
NASA: Study Finds Ancient Warming Greened Antarctica
It seems Antarctica once had vegetation and had a lot of rain. This artist’s rendition created from a photograph of Antarctica shows what Antarctica possibly looked like during the middle…
Claim: Today's climate is more sensitive than that of the past
Press Release 12-107 Today’s Climate More Sensitive to Carbon Dioxide Than in Past 12 Million Years Geologic record shows evolution in Earth’s climate system The phytoplankton Emiliania huxleyi offers clues…
More Glacial Junk Science Journalism
[Note: this post (and a few others) was lost in WordPress, and I had no notification of its existence. While a bit dated, it is still valid – note to…
Shock news: mammals adapt to changing climate
From Brown University it seems we need a new variation on the popular bumper sticker: Over 65 million years North American mammal evolution has tracked with climate change Rise and…
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