Autor/-in: John W. Jengo

John W. Jengo. 's career as a geologist, hydrogeologist, and licensed hazardous waste site remediation professional involved cleaning up hazardous wastes for several decades prior to his transition into restoring rivers and improving migratory fish passage via dam removals and enhancing wetlands harmed by industrial discharges. As a lead technical writer, simplified explanations of complex problems and solutions for clients and regulatory agencies. He is the author of numerous peer-reviewed publications and presentations. Clay S. Jenkinson. is an American humanities scholar, author and educator. He is currently the director of The Dakota Institute, where he co-hosts public radio's Listening to America,. formerly The Thomas Jefferson Hour,. and creates documentary films, symposia, and literary projects.