In May 2001, the Administration asked the National Academy of Sciences - National Research Council (NRC) to provide an updated evaluation of key questions about climate change science. Upon receipt of the NRC's report in June 2001, the President directed the relevant agencies and departments of the federal government to build on the extensive U.S. Global Change Research Program (USGCRP) to accelerate research on the most important uncertainties in climate science, enhance climate observation systems, and improve information available to decisionmakers. To accom- plish this, the Administration...