CEO Series: Mary Barra of General Motors on Committing to an Eco-Friendly Future

Mary Barra, chair and CEO of General Motors, says that electric vehicles are the future for the company and the automobile industry. GM has said it will phase out vehicles using internal combustion engines by 2035 and go carbon neutral at all of its facilities. Barra describes how she's executing on that plan as well as offering broader leadership lessons in an interview with HBR editor Amy Bernstein.