Amanpour: Patricia Espinosa, James Cameron, John Kasich and Jerome Foster II

UN Climate Chief Patricia Espinosa joins Christiane Amanpour to discuss Biden's Earth Day summit and whether the pledges that have been made are enough. She’s argues we’re not there just yet. Then director James Cameron reveals why he took some time away from editing Avatar 2, 3 and 4 to make his latest project, "Secrets of the Whales.” Walter Isaacson speaks to long-time Republican and Former Ohio Governor John Kasich about how the environment was once a key issue for Republicans, not just Democrats. And finally, we hear from 18-year old Jerome Foster about his incredible journey from protesting the climate crisis outside the White House to helping create policy from inside. To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices