Prince William has told young environmentalists we must “think big and dream bigger” if we are to protect the Earth. The message came in a foreword to a children’s book, 'The Earthshot Prize: A Handbook for Dreamers and Thinkers, Solutions to Repair Our Planet'. Report by Bangurak. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn