Will Happer, Princeton’s Galileo William Happer EPW Testimony February 25, 2009, Update on the Latest Global Warming Science, Testimony of William Happer, Professor of Physics, Princeton University Is CO2 a pollutant? Link http://alethonews.wordpress.com/2014/11/16/is-co2-a-pollutant/ Tags Environmentalism Science and Pseudo-Science Timeless or most popular video Source Aletho News