Prince William has shared how he likes to tell his children there is hope for the planet's future when they go to bed at night. The heir to the throne spoke out about the importance of optimism, saying that he tells Prince George , Princess Charlotte and Prince Louis , "Your future is going to be as bright as futures gone by", because of people working to fix the world’s biggest problems. William was speaking at the Earthshot Prize Impact Assembly in Rio de Janeiro, where he joined CNN’s chief international anchor Christiane Amanpour in conversation.

Asked about "lots of changes in your family" and his recent comments about wanting to make change, he said: "You have to provide a leadership and a vision that there's good things to come, and that it's not all negative."

"And fo

See Full Page