Sidmouth's beaches need a periodic clean-up:
Futures Forum: Surfers Against Sewage: beach-cleaning at Sidmouth >>> Sunday 29th March >>> 11am - 2pm
This is very much in the context of keeping our seas clean, with campaigns from the WWF:
Futures Forum: An uncertain future for our Living Blue Planet: "more needs to be done to prioritize ocean and coastal habitats"
And from Avaaz:
Avaaz - Save our Oceans
Save the oceans from plastic pollution!
This little film points to the main culprit:
The Majestic Plastic Bag - A Mockumentary - YouTube
But there are technologies being developed:
New cleaner SeaVax has solution to ocean plastic waste | City & Business | Finance | Daily Express
OFFICIAL BLUEBIRD MARINE SYSTEMS HOMEPAGE
SEAVAX SEA VAX ROBOTIC OCEAN PLASTIC OIL SPILL CLEANING SHREDDING VACUUM DRONE SEAVAC HYDRO CYCLONES WORLD'S BIGGEST