Science, Tech & Environment

A MacArthur 'Genius' is working to clean up our polluting health care system

One aspect of being a genius is the ability to view things in a unique way. Twenty years ago, environmental health advocate Gary Cohen looked at the health care sector and saw a big problem with pollution. He also saw a way to fix it and he set out to do so. So far his success has been phenomenal. And now he is a recognized MacArthur Foundation 'genius.'