This Is What the Ocean Might Look Like in 100 Years

The volcanic island of Maug is really three volcanic peaks, rising up from a remote part of the Pacific Ocean. Underwater vents on the side of Maug’s caldera seep carbon dioxide into the ocean. The shallow water around the volcano is full of coral reefs — except near the underwater vents, where researchers have watched the coral die off, to be replaced by algae clinging to the rocks.

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