Congressional testimony of Dr. James Hansen, June 23, 1988 (transcript)

        June 23, 1988 U.S. Senate | Washington | climate change: science

NASA Goddard Space Studies Institute director James Hansen testified to the U.S. Senate Committee on Energy and Natural Resources about his research on the greenhouse effect. He concluded global temperatures are the highest since instrumental measurements, a causal relationship between GHG and global warming, and the beginning of extreme events.