Rapid flips between warm and cold extremes have increased due to global warming. Frequent and severe temperature flips, such as warm winter days followed by sudden cold snaps, leave small time for humans and ecosystems to adapt and make them more vulnerable.

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3. Rapid flips between warm and cold extremes have increased due to global warming. Frequent and severe temperature flips, such as warm winter days followed by sudden cold snaps, leave small time for humans and ecosystems to adapt and make them more vulnerable.