International marine charity Plastic Oceans describes Hong Kong as "a hot spot for marine plastic debris". As well as fish and birds, recently green turtles, a protected species, have washed up on its beaches after dying from ingesting rubbish."They found a 50cm long string of trash in a turtle's stomach which included nylon threads and plastic bags. Turtles often confuse floating plastic bags for one of their favorite food sources, jellyfish," says Christensen, adding that humans too are at risk