what are progressives to do?
by Robert J. Sheak July 16, 2008 The Warming of the Earth Rising temperatures are altering the earths climate in fundamental ways and threatening life as we know it. The preeminent climate expert in the U.S. government, and perhaps in the world, is James Hansen, who is NASAs director of Goddard Institute of Space Studies. Hansen testified twenty years ago, in 1988, before a congressional committee on the first hard evidence that human activities were responsible for global warming, raising the concentration of carbon, a major greenhouse gas, to a level above the concentration existing prior to industrialization. Since his original testimony, many hundreds of scientifically peer-reviewed studies have confirmed and buttressed his earlier findings, and further established that fossil fuels (along with deforestation) are central factors in the steadily rising temperature of the earth, and that the consequences are destabilizing or destroying eco-systems around the globe. Hansen commented j