Nature and EnvironmentIrelandCan we farm the ocean sustainably?08:02This browser does not support the video element.Nature and EnvironmentIrelandKai Steinecke06/28/2022June 28, 2022The oceans supply just 2% of global food. With fish farming now the fastest growing food production activity in the world, that could change. But even though it’s been practiced for thousands of years, fish farming poses environmental challenges. Copy linkAdvertisement