This weekend, hundreds of volunteers will scour the region's coastline looking for litter and other debris washed up on the shore.
It's part of a campaign by the pressure group Surfers Against Sewage. It warns that, although our beaches look clean at first glance, they can be strewn with plastic and other debris that threaten marine habitats.
More top news
Sophia Bird has the forecast for Devon, Cornwall, Somerset and Dorset.
Sophia Bird has the forecast for Bristol, Somerset, Wiltshire, Gloucestershire and Dorset
The judge in the trial of an Army sergeant accused of attempted murder has advised the jurors to ensure there is no "bullying" between them.