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> But if humans cause large swings in climate that would happen naturally, then it’s not like what we’re causing is unique right?

It is unique in several ways. In a moral sense it is unique in that we knowingly caused it and failed to take action. In a historical sense, extinctions on this scale are so rare they are almost unique. What is unprecedented however is the rate of change. This is important because species aren't able to adapt anymore when the climate changes so rapidly.



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