It did. That was part of the sad chain of events causing one of the biggest mass... | Hacker News

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slashdev on June 17, 2016 | parent | context | favorite | on: Antarctic CO2 Hit 400 PPM for First Time in 4M Yea...

It did. That was part of the sad chain of events causing one of the biggest mass extinctions ever 250m years ago. Its one of the theories anyway.

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