KING Charles rolled out the green carpet last night as the great and the good arrived at Windsor Castle to watch a new film on his environmental campaigning. Charles, 77, hosted the first film premiere in a royal residence as stars including Kate Winslet and Dame Judi Dench arrived for the screening. A spokesman for the King said the film was not a conventional royal documentary. But Finding Harmony: A King’s Vision on Amazon Prime Video is nothing like Harry and Meghan’s six-part documentary or her With Love, Meghan, both on Netflix. Finding Harmony: A King’s Vision