Founder of the U.S. and World Green Building Councils, David Gottfried has been inspiring the world, one building at a time, to embrace his sustainable vision. A real estate developer, President of World Build, and the author of the book From Greed to Green: the transformation of an industry and a life, David Gottfried has thought long and far about what it means to lead a Green life. He shares his thoughts and his story with Betsy. LISTEN (18 min.)