Welcome to the world of seaweed, one of the most versatile plants on our planet both for biodiversity and human use. Critically important in the natural world as a diverse habitat, seaweeds also are tremendously versatile; their uses range from food to clothing and an alternative to plastic, as well as being key to coastal protection and fisheries enhancement. Vincent Doumeizel, senior advisor for United Nations Global Compact, director food programme at Lloyd’s Register Foundation and author of The Seaweed Revolution, leads an interactive showcase with some of the world’s best seaweed specialists.