Give Seas a Chance

Marine conservation biologist Callum Roberts explains why closing large swaths of ocean to fishing ultimately will revive the industry

Professor Callum Roberts, a marine conservation biologist in the Environment Dept. at the University of York in England, is one of the most well-respected and passionate advocates of protected marine reserves. The work done by Roberts, 42, is especially timely: The world's oceans are in their worst state in the history of humanity. Fisheries are in steep decline, and fish stocks have fallen to a paltry 10% or less since the onset of commercial fishing. Roberts has focused on coming up with innovative ways of creating and protecting national networks of marine parks.

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