Mangroves are the unsung heroes of the biosphere, says Kennedy Warne in his comprehensive study. So why are we so ready to rip them up in pursuit of tropical golf courses and all-you-can-eat shrimp?
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?
