Environment
Heightened Temperatures Robbed Our Seas of Oxygen, and Could do it Again
A recent study of the ancient seafloor has revealed some surprising and worrying facts about our oceans' past. Tens-of-thousands of years ago, our oceans suffered from severe oxygen loss just as massive ice sheets started to melt. Now, with sea ice and glaciers fast retreating in the wake of climate change, experts are worried about another instance of mass deoxygenation.
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