The Duke and Duchess of Cambridge arrived for the first ever Earthshot Prize Awards launched by Prince William on Sunday.
Kate Middleton , Emma Watson and others were to host the ceremony and present awards.
Queen Elizabeth II’s grandson Prince William will bestow his inaugural “Earthshot” environmental prize at a gala ceremony on Sunday, after a buildup marked by royal displeasure at world leaders’ inaction on climate change.
At the televised event — featuring the renowned naturalist David Attenborough and performances by Coldplay, Ed Sheeran and others — five international winners will each receive £1 million ($1.4 million, 1.2 million euros).