Andy Hoffman

The EPA has reversed the so-called "endangerment finding". It is the legal basis for the nation's federal effort to combat climate change. The White House says it led to over-regulation and is costing people money. Scientists and researchers worry about the setbacks it may cause. WEMU's David Fair and Michigan League of Conservation Voters executive director Lisa Wozniak explored these issues with the Holcim Professor of Sustainable Enterprise at the University of Michigan, Andy Hoffman.