Stronger evidence for a weaker Atlantic overturning

The Atlantic overturning—one of Earth's most important heat transport systems, pumping warm water northward and cold water southward—is weaker today than any time before in more than 1000 years. Sea surface temperature ...

Oxygen loss could be a huge issue for oceans

A major study into an ancient climate change event that affected a significant percentage of Earth's oceans has brought into sharp focus a lesser-known villain in global warming: oxygen depletion.

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