Could global warming paradoxically freeze the planet: How tiny ocean organisms could flip Earth’s climate

Ancient oceans, driven by microscopic life, once pulled vast amounts of carbon from the atmosphere, leading to dramatic cooling and ice ages. This biological pump, fueled by plankton, highlights how marine ecosystems can profoundly reshape global climate. Today’s changing oceans may trigger similar, unpredictable shifts, underscoring life’s power to alter planetary conditions.

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