Helena Delgado Nordmann is a responsible sourcing manager for the marine division at Tesco, one of the largest food retailers in the world. In this video, she speaks about the work supermarkets such as Tesco are undertaking to ensure that sustainable seafood is in stores around the world. As part of this work, retailers are calling for the immediate implementation of harvest strategies, a pre-agreed framework for making fisheries management decisions, including quota setting—and a key tool in achieving the healthy stocks required for a stable and secure market.