Future of ocean life is bleak if we don't cut emissions
Clip: 09/25/2019 | 7m 3s
The world's oceans and seas have already absorbed an enormous amount of excess heat in our climate system, according to a new UN report. And the risks of dire consequences for marine and coastal life will get significantly worse if carbon emissions don't change. William Brangham learns more from study co-author Michael Oppenheimer of Princeton University.
Aired: 09/25/19Video has closed captioning.
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