Earth Day Network today announced that Sting, John Legend, The Roots, Bob Weir, Patrick Stump, Mavis Staples, Passion Pit, Q-Tip, Booker T and other artists will perform at The Climate Rally on The National Mall in Washington, DC on Sunday, April 25. Other environmental stewards and notable figures attending include Reverend Jesse Jackson, film director, James Cameron, Olympic gold medalist, Billy Demong, producer, Trudie Styler and author, Margaret Atwood.