This is a detailed presentation about ecolabelling begining with the introduction and definition, history, origin, objectives and types of ecolabelling, greenwashing definition, ecolabelling bodies like Global Ecolabelling Network and ISO 14000 standards, ecolabelling importance in aquatic sector, details about some certifying bodies like Marine Stewardship Council and Aquaculture Stewardship Council, Single attribute labels like Dolphin safe and turtle free, etc,.