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Klaus Toepfer, UNEP’s Executive Director, recognised the growing threat as a danger to the world’s fisheries.
He said at the time: “Some of these so-called dead zones or oxygen-starved areas are relatively small, less than one square kilometre in size, whereas others are far larger at up to 70,000 square kilometres.
“What is clear is, that unless urgent action is taken to tackle the sources of the problem, it is likely to escalate rapidly.”
A January 5, 2018, report published in the journal Science, found ocean dead zones have quadrupled in size since the 1950s.
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