Green Initiative NYC; Alastair Fothergill

Michael Bloomberg, Christine Quinn, and Carl Pope discuss a new legislative initiative to reduce greenhouse gas emissions, increase green jobs, and reduce pollutants and energy costs in New York City. Alastair Fothergill introduces "Earth," which documents a year in the lives of three families: a polar bear and her cubs, an elephant and her calf, and a humpback whale and her calf.