First time for all these events in 4.5 billion years?
Only if climate had all the same other variables way back. Which is not the case.
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Earth had much higher buildups of CO2 a few million years ago, though. Then something collapsed the buildups. What mechanism is now missing? Yes, the buildup is faster. We are unlikely to get to zero emissions today without a lot of people dying.
@curryja explained the research. -
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Btw, every1 realizes right, 90% of climatologists claim primary AGW ☆for the past 250 years.☆ To them it is not recent. "The Vision Prize" describes the results.
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