Fifteen innovative ideas are in the running for the environmental competition, with five winners - due to be announced in Boston in the US next month - set to receive £1million each to develop their projects.
Two UK entries selected as finalists for Prince William s global Earthshot Prize itv.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from itv.com Daily Mail and Mail on Sunday newspapers.