Prince William says he is 'ardently optimistic' about the future of the Earth's climate at his Earthshot awards. From Kylie Minogue to Sir Keir Starmer - prominent figures attended the event in Rio de Janeiro, where environmental innovators were handed £1m each in prize money for showing initiative to tackle the climate crisis. Click the link to read Sky's Rhiannon Mills' full report from Brazil https://news.sky.com/story/prince-william-hails-worlds-true-action-heroes-at-earthshot-awards-and-get