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Climate Cast ®
Paul Huttner and Ngoc Bui

Earth’s oceans are the hottest on record

What does this mean for the planet?

Global warming
In this 2015 file photo, fish swim over a patch of bleached coral in Hawaii's Kaneohe Bay off the island of Oahu. Warmer water is repeatedly causing mass global bleaching events to Earth's fragile coral reefs.
Caleb Jones | AP

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