Prince William has announced an ambitious new plan to “repair the Earth” within the next 10 years. Posting a short video on the official Kensington Palace Twitter page, the Duke of Cambridge wrote: “Who is ready to lead as we make the 2020s a decade of action to repair our planet? “Introducing the @EarthshotPrize.” The promotional clip, voiced by Sir David Attenborough, marks the launch of the “most prestigious environment prize in history” which will “aim to generate new ways of thinking, as well as new technologies, systems, policies and solutions.”