Ocean waters are becoming warmer and more acidic, and sea levels are rising. All these changes threaten life in the oceans.

另一个威胁是气候变化，海洋的水温不断升高，水质日益酸化，海平面日益上升，所有这些变化都在威胁海洋生物。

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Another threat is climate change. Ocean waters are becoming warmer and more acidic, and sea levels are rising. All these changes threaten life in the oceans.

另一个威胁是气候变化，海洋的水温不断升高，水质日益酸化，海平面日益上升，所有这些变化都在威胁海洋生物。

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And I've learned that that deep ocean environment, and even the shallow oceans, are so rich with amazing life that really is beyond our imagination.

我发现深海，甚至连浅海也是…充满了超越我们想像的惊奇生命。

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"In climate change we talk about a tipping point, but in oceans and ocean life we are far over that tipping point, " he said.

CNN: Topical waters

Would we care more if we could see the higher concentrations of carbon dioxide being absorbed into our oceans, making seawater more acidic, endangering coral reefs and marine life and threatening to fundamentally disrupt ocean ecosystems and food webs?

CNN: What if carbon dioxide were as black as oil?