Richard Lindzen pointed out that "global mean temperatures decreased between 1940 and the early '70s, despite increases in the levels of carbon dioxide in the atmosphere. Lindzen suggests this period of global cooling was due to "a natural fluctuation in the climate system."
NOAA climate data http://lwf.ncdc.noaa.gov/oa/climate/research/cag3/ na.html indicates mean temperatures in the USA also declined between 1939-1972: http://i5.photobucket.com/albums/y189/mastertech/ustemp.jpg Thus, thanks to the balanced information provided by Lindzen, Wall Street Journal readers realize that another decades long period of global cooling might be just around the corner. Paul Cherubini El Dorado, Calif.
