A conversation with John Holmyard, founder and managing director of Offshore Shellfish, 21st century mussel farming: guilt-free food that helps regenerate marine biodiversity and captures carbon. We talk about protein. With a growing population, we need more and more of it. So, what is the lowest impact and positive impact protein source we can grow? A deep dive into the largest offshore mussel farm in Europe, where they grow large amounts of mussels by grazing large number of plankton that ...