Even in the best of conditions, human divers can spend only three or four hours per day working under water, said Tom Moore, coral reef restoration program manager for the National Oceanic And Atmospheric Administration. And those best conditions are rare.
That’s not enough to halt the collapse of one of the planet’s most crucial ecosystems, Moore said at the EarthxOcean conference: half the world’s coral reefs have died and the rest are expected to perish in this century. That vanishing coral hosts 25 percent of the ocean’s biodiversity, Moore said, and supports fisheries that feed hundreds of millions of people and contribute billions of dollars to the global economy.
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Words by Jeff McMahon