CSPAN Climate Change Environment December 30, 2012
For the scientist who advised seven u. S. President s. This is about an hour and 15 minutes. [applause] i interview a lot of fantastic people in this room and that does not happen very often. In 1988, nasa scientist james hansen told a congressional hearing that it was 99 certain that burning fossil fuels was heating the earths atmosphere. The next day, a New York Times headline proclaimed a Global Warming has begun. Decades later, dr. Hansen and others are still trying to convince the United States of these basic observations. About half of american now accept the fact. 40 do not. Over the ne...