Years of Living Dangerously

America Ferrera profiles prominent skeptic James Taylor of the Heartland Institute as he crusades against clean energy, and investigates the battle over the future of renewable energy in the US. 'New York Times' columnist Mark Bittman returns to conduct a yearlong investigation into natural gas, which has been touted as "America's energy source" and a way towards a cleaner, greener future. But is it true?