What next for ocean food?

In the wake of Seaspiracy, we're running a series of programmes about the future of wild and farmed seafood.   The vast majority of wild caught fish are now harvested by industrial-scale trawlers using vast and often indiscriminate nets and bottom trawling.  At the same time aquaculture, which has scaled so rapidly, has come under fire for high levels of waste and pollution and for poor welfare.   So, what's next for ocean food? ffinlo Costain is joined by Ruth Layton who, as a former director of FAI Farms, has spent 25 years studying agricultural and aquacultural systems, and by Ashleigh Bright, an expert in the science of sustainability in global food systems. Produced by Farmwel.