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Historic shrinking of Antarctic Ice Sheet linked to CO2 spike

Issues & Causes / Environmentalism : Physorg: Earth

Twenty-three million years ago, the Antarctic Ice Sheet began to shrink, going from an expanse larger than today's to one about half its modern size. Computer models suggested a spike in carbon dioxide levels as the cause, but the e...

Plunge in CO2 put the freeze on Antarctica

Academics / General Science : ScienceDaily: Science Society

Atmospheric carbon dioxide levels plunged by 40 percent before and during the formation of the Antarctic ice sheet 34 million years ago, according to a new study. The finding helps solve a long-standing scientific puzzle and confirm...

Nearly Cooked: What 400 Parts Per Million Of Atmospheric Carbon Dioxide Really Means

Lifestyle / Green Living : Huffington Post: Green Blog

Last month, Climate Central's Brian Kahn reported "In the centuries to come, history books will likely look back on September 2016 as a major milestone for the world's climate." Kahn was referring to news that in a month when we wou...

Carbon Dioxide Drop And Global Cooling Caused Antarctic Glacier To Form

Academics / General Science : ScienceDaily: Science Society

Global climate rapidly shifted from a relatively ice-free world to one with massive ice sheets on Antarctica about 34 million years ago. What happened? What changed? Scientists offer a new perspective on the nature of changing clima...

Antarctic ice sheet is result of carbon dioxide decrease, not continental breakup

Academics / General Science : ScienceDaily: Science Society

Climate modelers have shown that the most likely explanation for the initiation of Antarctic glaciation during a major climate shift 34 million years ago was decreased carbon dioxide levels. The finding counters a 40-year-old theory...

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