Part 1: Denial, reveals how studies on climate change were conducted by the fossil fuel industry in the 1970s, how it denied the science, and the role it played in delaying and preventing action on climate change over the past four decades. It also examines how an industry coalition (i.e. the Global Climate Coalition) and, ultimately, politicians were able to deflate any hopes that the U.S. would ever sign on to the Kyoto Protocol.