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Then they would have missed the Eocene hyperthermal 55.2 million years ago a rapid 5 to 8 C warmup due to a huge influx of carbon into the atmosphere (8 to 20 t

Then they would have missed the Eocene hyperthermal 55.2 million years ago a rapid 5 to 8 C warmup due to a huge influx of carbon into the atmosphere (8 to 20 times all human activity). Its not known where all this carbon came from yet.

deleted 7y ago
[deleted]
lowken10 7y ago
It came from the ocean after the ocean was heated by the sun.