Carp are collected at a breeding farm near the Belarus village of Ozerny in November 2013. Researchers say there's a lot the aquaculture industry can do to be more efficient. Viktor Drachev/AFP/Getty Images hide caption itoggle caption Viktor Drachev/AFP/Getty Images The Salt Can Farmed Fish Feed The World Without Destroying The Environment? June 6, 2014 Farmed fish production will have to more than double by 2050 to keep up with global demand, a report finds. And aquaculture can be far more sustainable than meat production, the researchers say.