Shane Gross captured the haunting photo while diving near the island of Eleuthera in the Bahamas.
Ocean pollution
Actor Marion Cotillard says even remote places like "pristine" Antarctica are being harmed by humans.
The move is designed to protect marine life around the Pacific island state.
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The plastic litter bin cover from Peterborough was discovered on Blakeney Point in Norfolk.
Read moreTenia Lestari leads a network of volunteer divers who clear rubbish from the coral reefs and recycle what they find.
David Shukman
Science editor
"I think we're all shifting our behaviour," the BBC broadcaster says as he wins a prestigious award.
Read moreExperts predict that marine species are moving into new habitats, partly due to climate change.
Simon Jack
Business editor
For many people, the Coca-Cola brand now stands for plastic pollution and childhood obesity.
Read moreFamily of inventor says they were designed to be reused to stop trees from being destroyed.
Helen Briggs
BBC Environment correspondent
Microplastics are everywhere, but how worried should we be? Scientists are on a mission to find out more.
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