Prince William Announces Environment Prize, Calls For 'Decade of Action to Repair the Earth'

Prince William has announced a multi-million pound prize for “visionaries” working to solve “Earth’s greatest environmental problems,” from climate change to air pollution. The Earthshot Prize will be awarded to five winners, every year, for the next 10 years. The initiative’s goal is to provide “at least 50 solutions to the world’s greatest problems by 2030.”

The prize was designed by and will initially be handled by the Royal Foundation of the Duke and Duchess of Cambridge — headed by Prince William and Kate Middleton. More than 60 organizations and...