Oysters need a thriving natural eco-system and ultra clean water to survive. And as Matilda Lee discovered on a visit to Loch Fyne Oysters, they even find their own food. So are oysters the green choice?
Our love affair with shrimp has fuelled the destruction of the 'rainforests of the sea' - mangroves - whose biodiversity and carbon-storing capacities are much undervalued. The author of 'Let Them Eat Shrimp', Kennedy Warne, talks through his alarming findings
Despite being an economic success, prawn farms built in Brazil's mangroves have displaced natural ecosystems and the coastal communities which rely on them, says Kennedy Warne in an exclusive extract from 'Let Them Eat Shrimp'