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Originally Posted by noncom23
The climate changes constantly. Ice cores show theses changes over billions of years. Nothing new here. Whether man has an impact here is certainly a worry. But don't think warming or cooling trends are new. We are in an interglacial period and could just as easily
slip into another ice age.
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The ice cores do indeed show these changes over billions of years. They even show these kinds of changes over tens of thousands of years. What they don't show is these kind of changes over several decades, which is what we are now seeing. The rate of change is far far faster than what has ever happened before.