According to Business Insider, ocean temperatures in 2018 were the warmest since scientists started keeping track. The world's oceans are heating up 40% faster than scientists previously thought, which means sea levels could rise a foot by 2100. Higher sea levels contribute to costly coastal flooding and cause more severe hurricanes. The planet's oceans absorb a startling 93% of the extra heat that greenhouse gases trap in the atmosphere. One Rutgers ecologist told The New York Times, "The ocean is saving us from massive warming right now."

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