Winds of Change @ Years of Living Dangerously 变幻之风

America Ferrera profiles the Heartland Institute's James Taylor as he crusades against clean energy; Mark Bittman conducts a yearlong investigation into the truths behind natural gas.

探讨气候变化和极端天气如何改变全球各地的生活，以及政府和民众可以采取哪些行动。