While calls for new marine protection strategies in South Australia are at risk of being vetoed by a liberal/family first coalition of skeptics a new international report warns that ocean life is "at high risk of entering a phase of extinction of marine species unprecedented in human history". The work results from a study by an international panel of experts commissioned by the International Programme on the State of the Ocean (IPSO) .
The report highlights the principle risks to the world's oceans coming from: over-fishing, pollution and climate change acting together in ways that have not previously been recognised. The report highlights that most, if not all, of the five global mass extinctions in Earth's history carry the fingerprints of global carbon perturbations - i.e. global warming, ocean acidification and anoxia or lack of oxygen. These three factors — the 'deadly trio' — ARE PRESENT in the ocean today and when considered in context with two key additional stressors (overfishing and pollution) they combine to undermine ocean resilience. For more on this story goto: http://www.bbc.co.uk/news/science-environment-13796479
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