Emerging threat from climate change: ocean oxygen levels are starting to drop

By Peter Hannam
Updated April 28 2016 - 6:13pm, first published 5:13pm
The world's oceans are warming up along with the rest of the planet. Photo: Leigh Henneingham
The world's oceans are warming up along with the rest of the planet. Photo: Leigh Henneingham
Marine life will be hit hard if oxygen levels sink. Photo: NOAA
Marine life will be hit hard if oxygen levels sink. Photo: NOAA

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