Environmental Research Foundation . . P.O. Box 5036, Annapolis, MD 21403 . .
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To subscribe, E-mail the words . . The result is a buildup of heat inside the greenhouse, which in the case of a real greenhouse is good. See Figure 1, which was produced by scientists who found the history of earth's climate and atmosphere revealed in the polar ice caps. There is little doubt that as CO2 has gone up in the past, Earth's temperature has gone up. But there is a mystery in our present situation.