Guardian Pollution

River Restoration: Farmers, Fishers, and Beavers Team Up Against Algal Blooms

A local initiative is testing simple ways to stop algal blooms in the River Fal threatening some of England’s most biodiverse marine habitats On a rocky beach in Cornwall, a group of wetsuit-clad freedivers and snorkellers are wading into the shallows. Below St Mawes Castle, built by Henry VIII to defend Falmouth harbour, they disappear in a swish of florescent pink and green fins. They are volunteers, trained by the Cornwall Wildlife Trust to use underwater cameras and floating GPS devices to d