What we’re doing to the Earth has no parallel in 66 million years, scientists say “If anthropogenic emissions rates have no analogue in Earth’s recent history, then unforeseeable future responses of the climate system are possible,” the authors write.

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What we’re doing to the Earth has no parallel in 66 million years, scientists say “If anthropogenic emissions rates have no analogue in Earth’s recent history, then unforeseeable future responses of the climate system are possible,” the authors write.