5 Apr 2019 - Sky News - The high seas are areas of ocean outside national waters that cover more than two-fifths of the surface of the Earth.
At least 30% of international waters could soon form part of a protected global network of marine reserves to help save sea life from extinction.
Negotiations are ongoing at the United Nations (UN) with a view to introducing such an agreement, which would seek to guarantee the safety of 230 million square kilometres of ocean currently without protection.
Scientists harbour grave concerns about the future of the high seas - areas of ocean outside national waters that cover more than two-fifths of the surface of the Earth.
They are home to an array of species, rivalling the variety found in coastal areas and on land, but are at risk from fishing, deep seabed mining, climate change and plastic pollution.
According to a new report by academics at York and Oxford universities, key to any hope of securing their future could be a new global treaty that paves the way for the protection of waters that do not lie within any borders.
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Photo: Sky News - Coral bleaching climate change