The below video is the fourth in a set of green building and architecture interviews with Eric Corey Freed, well known architect from Organic Architect. Eric Corey Freed is the author of Green Building & Remodeling For Dummies. In this interview by Jordan Hardy with Eric Corey Freed, a number of green building topics are discussed. These topics include how building green can help the environment, carbon dioxide, burning coal, wind, insulating buildings, commercial buildings going green, homes going green, sensors that save energy, and green home developers.