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Three University of Calgary researchers say they've uncovered proof of what led to the largest extinction the planet has ever experienced.
The wipeout happened 250 million years ago during the Permian Period - way before dinosaurs and way, way before people. The Permian extinction killed 95 % of life in the ocean and 70 % on land, but it has never been clear what really happened.
"The Permian extinction set the stage for the dinosaurs to take over," said Steve Grasby.
The volcanoes burned 300 trillion tonnes of coal, said Grasby. "It's well beyond what we burn today," said Grasby. "That puts more C02 (carbon dioxide) in the atmosphere, making an extraordinary impact on the environment." Coupled with a planet that was already heating up, these ash clouds had a broad impact on the earth and started suffocating land and sea Read more: www.calgaryherald.com...
The new model, created by Dave Rutledge, chair of Caltech’s engineering and applied sciences division, suggests that humans will only pull up a total — including all past mining — of 662 billion tons of coal out of the Earth. The best previous estimate, from the World Energy Council, says that the world has almost 850 billion tons of coal still left to be mined.
Originally posted by skylightsintheillions
reply to post by JohhnyBGood
First, I don't think this thread is intended to have a political discussion involving coal consumption and someone's opinion on global warming/ climate change whatever. I think we have threads for that topic around here.
That being said.
This is a very interesting story, especially since it coincides with Egyptian & Olmec/Aztec/Mayan beliefs about the previous stages of the earth. One of their cataclysms was the volcanoes I believe...
I'll check that out and get back here with it.