"A genuine American hero," according to RFK Jr., Chad Pregracke, the young man who has cleaned up our Mississippi River, returns to EcoTalk to relate his colorful, inspiring story as it is told in his new book From the Bottom Up: One Man’s Crusade to Clean America’s Rivers. Nobody dedicates their life to such humble stewardship of the planet if they are not optimistic and in posession of an archetypal Midwestern work ethic. LISTEN (12 min)