Tim Heidecker, Moby, Ted Leo, Aimee Mann & more doing 3-day Earth Day livestream
Plus Al Gore, Angelique Kidjo, Joaquin Phoenix, John Kerry, Madame Gandhi, Mustafa Santiago Ali, Patricia Arquette, Questlove, Jane Fonda, Stacey Abrams, Talib Kweli, Rosanna Arquette, and others.