Double sided flyer promoting Earth Day events held in New York City on April 22, 1970, including appearances by Kurt Vonnegut Jr., The Voices of East Harlem, A Baroque Brass Ensemble, Pete Seeger, Mayor Lindsay, Paul Newman, Arthur Godfrey, Odetta, Margaret Mead, Herman Badillo, Oscar Brown Jr., Brother Kirkpatrick, Gary Moore, Jerry Orbach, Leonard Bernstein, Thomas Hoving, Cast of Hair, Bess Myerson Grant, Tom Paxton, Jerome Kretchmer, Dennis Hayes, and Ed Koch. The verso has the header "Have you had Enough Poisoned Air, Polluted Water, Mind-Shattering Noise, Street Garbage, Deadly Traffic?"