Hello, royal watchers. This is your regular dose of royal news and analysis. Reading this online? Sign up here to get this delivered to your inbox. Prince Charles has been talking about the importance of sustainability and the need to take action over the dire state of the environment for years. Prince William has his Earthshot Prize to help repair the planet. Even Princess Charlotte — age six — has been showing an interest in the natural world, doing her part by helping count butterflies. Conservation and environmental concerns have long been on the minds of members of the Royal Family. They will continue to be, particularly as Royals — including Queen Elizabeth,…