Off the coast of Senegal, where large Chinese ships now catch as much fish in a week as Senegalese fishing boats can catch in a year, the population of mackerel and sardines is dwindling. In Peru, ...

Fish farming seems like a great idea on paper. But a host of environmental problems can plague coastal fisheries, most due to the large amounts of waste generated by these floating factory farms.

Pallab Sarker and other participants in the research described in this article have received funding from the U.S. Department of Agriculture; the Sherman Fairchild Professorship, Dean of the Faculty ...