Ancient Warning of a Rising Sea
What fossilized coral in the Seychelles tells us
There is fossilized coral — dozens scattered across the Indian Ocean archipelago of the Seychelles. It is a piece of history, hidden in plain sight.
It tells of a time 125,000 years ago, when a modest increase in Earth’s temperatures caused ice sheets to melt and global sea levels to surge.
The height of the coral — which can grow only underwater — marks where the ocean once reached, and where it could someday rise again.
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