Three reasons why the ocean’s record-breaking hot streak is devastating

Global sea surface temperatures have hit record highs every day for more than 12 months

A scuba diver swims over a coral reef. Many of the individuals corals are pale white, from bleaching.

Bleaching is afflicting many of the corals in Australia’s Great Barrier Reef, some of which can be seen in this photo taken on April 5, 2024.

David Gray/AFP/Getty Images

Earth’s largest ecosystem is broiling.