19th Century

John Tyndall

Warming Demonstrated

1861 Irish physicist John Tyndall demonstrates experimentally that water vapor and other gases warm the atmosphere John Tyndall, in the article 鈥淥n the Absorption and Radiation of Heat by Gases and Vapours, and on the Physical Connexion of Radiation, Absorption, and Conduction,鈥 reports on an experimental apparatus to demonstrate and measure the heat-trapping impact of […]

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First Hypothesis

1824 French mathematician and physicist Jean Baptiste Joseph Fourier first hypothesizes that the atmosphere plays a significant role in mediating temperature on Earth Fourier, in the article 鈥淕eneral Remarks on the Temperature of the Earth and Outer Space,鈥 likens the effect of the Earth鈥檚 atmosphere in regulating global temperature to a glass covered box: 鈥淭he […]

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