The Texas Earth Day festival, EarthX, kicks off tonight with a screening of Jeff Orlowski’s Chasing Coral, a “green carpet” event to be held at the Music Hall at Fair Park in Dallas. On Friday night, Apr. 21, Sylvia Earle, the explorer-in-residence at the National Geographic Society, will keynote the EARTHxGlobal Gala at the Texas Discovery Garden alongside ocean activist Paul Watson of Sea Shepherd