...Recognizing the threat to fossil fuels, a scientist working for Shell International Chemical Company publicly denied that "our furnaces and motor car engines will have any large effect on the CO2 balance."... Through the 1960s a modest level of official interest was sustained by new scientific findings. Most telling was C.D. Keeling's measurements of the level of CO2 in the atmosphere, a curve that dramatically rose year after year. The idea that the government should actually do something about this—if only to sponsor climate research more systematically—first arose in 1963, when Keeling and a few other experts met in a...