| http://www.w3.org/ns/prov#value | - Long before the last great extinction event caused by the kinds of processes we are setting in motion, which was precipitated by a meteor hitting the Antarctic and causing the Siberian Traps to spew lava, eventually leading to a sea floor clathrate (frozen methane) meltdown and massive climate change, and the death of nearly all higher life, 250 million years ago.
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