while we do that, bill mckibben is author, educator, environment list co-fofounder of 350.org. inter we speak to bill vermont, are going to london to speak with kumi naidoo, the first african to head greenpeace. use the former head of greenpeace and the former hehead of amnesty interernational. then we are heading to chchile. this is demomocracy now! we will be back in a moment. ♪ [music break] amy: earth day network present dharti ma, a tribute to earth. commemorating earth dates 50t0th and -- e earth day'' is 5050th anniversary. the theme is "climate action." this is democracy now!, democracynow.org, the quarantine report. i'm amy goodman. gonzalelez. as we mark this 50th anniversary of earth day started have a century ago. 10% of the u.s. population particicipated in evenents. we are joined by bill mckibben, ,ho is the founder of 350.org authoror, educacator, envivironmentalistst. his latetest book "falter: has e , , human game begun to playay itself out?" hihis recent piece in the new yorker "how we can build a , hardier world after the coronavirus." in the nation "this eart