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 ...
Source: [Guardian International](https://www.theguardian.com/environment/2026/aug/25/pollution-runoff-farmers-fishers-cornwall-river-fal-england-marine-habitats-algae-beavers)