The Economic Value of the National Parks. Linda Bilmes, October 18, 2019, Audio, “The National Parks have been famously called “America’s Best Idea,” but they may also be “America’s Best Investment”, thanks to the valuable services they provide such as recreation, carbon storage, and educational programs. In the new book “Valuing U.S. National Parks and Programs,” John Loomis and Linda Bilmes attempt to sum up the vast value of the National Parks. Linda Bilmes teaches Public Policy at the Harvard Kennedy School, and joins Host Steve Curwood in the Living on Earth studios.Link