Michael Bloomberg and Carl Pope on climate change, clean energy

A new CBS poll shows a majority of Americans have a pessimistic outlook for the environment, with 57 percent believing it will be worse for the next generation. A new book by former New York City Mayor Michael Bloomberg and former Sierra Club Executive Director Carl Pope offers a more optimistic view. It’s called “Climate of Hope: How Cities, Businesses, and Citizens Can Save the Planet.” They joined “CBS This Morning” with more. Source