This October, we’re bringing together local community groups, artists, scientists, wildlife filmmakers and photographers to transform two concrete roundabouts into oceanic sanctuaries, giving thousands of people the opportunity to dive beneath the waves and explore the ocean depths for themselves and discover how we can all do little things to help protect it. Though vast, our ocean is not limitless and it needs our help. 275 million tonnes of plastic waste is generated every year around the world. That’s the…