John Boyega, Connie Britton, Sabrina Dhowre Elba, Cyril Dion, Danai Gurira, Diane Kruger, Aïssa Maïga, Norman Reedus, Michelle Yeoh, and Climate Activists Xiye Bastida, Camille Etienne, and Helena Gualinga join Global Citizen's 'Power Our Planet: Live in Paris' on Thursday, June 22, 2023