We Were Warned A Long Time Ago             In 1856,  an American woman,  Mrs. Eunice Foote,  performed a series of experiments demonstrating that adding more carbon dioxide to the atmosphere would significantly raise the temperature of the climate. Moreover, she showed it would be very slow to cool back to normal--much slower than unpolluted air. The results were published in a scientific journal in November 1856.          Of course she could not be admitted to the professional scientific organizations. No women were allowed. On the other hand, she was married to a respected judge and inventor. And her paper was only 557 words long, about the length of a short news story or slightly longer than usual letter to the editor.          Circumstances Affecting the Heat of the Sun’s Rays: By Eunice Foote From the American Journal of Science and Arts   Nov 1856 Pages 382, ...