View source for Discovery of the greenhouse effect

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[[File:Svante_Arrhenius.jpg|400px|framed|right|Figure 1. Svante Arrhenius was the first scientist to speculate that the climate would be effected by the presence of certain gases in the atmosphere, and was the first to promote the idea of the greenhouse effect.<ref>"Svante Arrhenius" by Nobel Foundation - http://nobelprize.org/nobel_prizes/chemistry/laureates/1903/arrhenius-bio.html. Licensed under Public Domain via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Svante_Arrhenius.jpg#/media/File:Svante_Arrhenius.jpg</ref> ]]

<onlyinclude>One common misconception about the [[greenhouse effect]] is that it is a new concept. However, scientists have speculated about the existence of some greenhouse effect since the 1800s. One of the most notable scientists who investigated the concept of a greenhouse effect was Svante Arrhenius, a Swedish scientist who in 1896 was the first to claim that the [[combustion]] of [[fossil fuel]]s could eventually result in [[global warming]].</onlyinclude><ref name="RE1">S.M. Enzler, MSc. (May 5, 2015). ''History of the greenhouse effect and global warming'' [Online]. Available: http://www.lenntech.com/greenhouse-effect/global-warming-history.htm</ref>

Arrhenius' theory proposed that [[atmosphere|atmospheric]] [[carbon dioxide]] could lead to [[temperature]] changes of the Earth, and discovered that the temperature of the Earth was due to the absorption and re-emission of [[infrared]] [[radiation]] from [[water vapour]] and carbon dioxide. He presented his findings in a paper titled ''On the Influence of Carbonic Acid in the Air upon the Temperature of the Ground''.<ref name="RE2"/> From this, he became the first person to investigate what effect increasing atmospheric levels of carbon dioxide would have on the climate and temperature of the Earth.<ref name="RE2">Steve Graham. (May 5, 2015). ''Svante Arrhenius'' [Online]. Available: http://earthobservatory.nasa.gov/Features/Arrhenius/arrhenius.php</ref> The article he presented described a new model of [[Earth's energy budget]], taking into account the effects of what we now know to be [[greenhouse gases]] on the temperature of the Earth. In addition, he suggested that doubling the amount of carbon dioxide in the atmosphere would raise the temperature of the Earth by 5[[Celsius|°C]].<ref name="RE1"/> This estimate is consistent with modern predictions; however, he was incorrect in predicting how long it would take to achieve this doubling in carbon dioxide—estimating a time scale of 3000 years.<ref>Richard Wolfson. (April 4, 2015). Energy, Environment, and Climate, 2nd Edition. W.W. Norton & Company.</ref>

Arrhenius drew significant amounts of information for his experiments from experiments and observations done by other scientists including Josef Stefan, Samuel Langley, Knut Angstrom, Joseph Fourier, and John Tyndall.<ref name="RE2"/> Although the predictions made by Arrhenius with the aid of Thomas Chamberlin were correct overall it took until 1988 for there to be any level of acceptance that the climate was in fact warming to levels that were hotter than any period since 1880.<ref name="RE1"/>

==For Further Reading==
*[[Greenhouse effect]]
*[[Greenhouse gas]]
*[[Greenhouse effect on other planets]]
*[[Climate change]]
*[[Global warming vs climate change]]
*Or explore a [[Special:Random|random page]]

==References==
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