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Sobering Lessons from the Past
The Great Dying was the largest mass extinction event on earth. It occurred approximately 251 million years ago and marks the boundary between the Permian and Triassic geologic periods, commonly known as the PT boundary.
Apparently some new evidence is pointing to a massive buildup of CO2 and a resulting global warming as the culprit. The source would have been extreme volcanic activity.
This event saw the extinction of 96% of all marine life and 70% of all terrestrial life.
In what could very (very) indulgently be called "missing the point" style, the very first commentor somehow found this all reassuring. It was not caused by humans and SUV's before (ok) so therefore it is not being caused by humans and SUV's today (sorry, doesn't follow) so therefore...err, what would be reassuring about that again?
Suggested reading for PiGuy:
Happily, llewely, another commentor often seen fighting the Good Fight around the climate blogs, provided PiGuy with the first link above.
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