Twenty years ago, the health care industry produced more toxic dioxin emissions than any other sector, thanks to medical waste incinerators. Gary Cohen, Co-Founder and President of Health Care Without Harm, decided to clean it up, an effort that won him a 2015 MacArthur “genius grant” Fellowship. Cohen tells host Steve Curwood how greening health care practices can improve human welfare and the environment, and explains what still needs to be done. (published October 9, 2015)