text:  In 2020, together with a group of schoolchildren in the Bahamas, she persuaded their government to ban single-use plastics, an achievement which won her a prestigious Goldman Environmental Prize. Crystal was in her late teens when she first encountered the true consequences of plastic in our oceans. She told Outlook's Joe Fidgen that she was doing work experience at an aquarium at the time when she was called upon to help a sick sea turtle.