The value of the ocean's riches rivals the size of the world's leading economies, according to a recent WWF report.
Oceans cover more than two-thirds of our planet. Not only are they a vast multi-trillion dollar resource, but they are also crucial in the cycle of life itself.
'Oceanomics' is a created word, but it is a good way of contemplating the value of the ocean's riches. If we think about the ocean as an economy you would be looking at an output worth $2.5tn a year. That would pop 'the Ocean' in at number seven in the world's top 10 economies, after the US, China, Japan, Germany, France and the UK.
It generates hundreds of millions of jobs in sectors like tourism, fishing and shipping and billions of people rely on it as a food source. Those numbers come from a new World Wildlife Fund (WWF) report looking at the value of oceans.
But where is this economy going wrong? The ocean's resources are being eroded - potentially brought down entirely - by overfishing, disappearing coral reefs and endemic mangrove destruction.
Nick Clark, Al Jazeera's environmental editor, reports from Qatar. And Ove Hoegh-Guldberg, the director of The Global Change Institute in Queensland and the lead writer on the WWF report, talks to Counting the Cost about 'Oceanomics'.
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