A report of the Ad Hoc Study Group on carbon dioxide and climate for the National Research Council chaired by Massachusetts Institute of Technology meteorologist Jule Charney estimates “the most …
Jul 1979 Read More →
First Computer Model
1967 Syukuro Manabe and Richard T. Wetherald are the first to use a computer model to explore the impact of increasing atmospheric carbon dioxide on the Earth’s climate Syukuro Manabe …
May 1967 Read More →
Presidential Acknowledgement
1965 President Lyndon Johnson states in a Special Message to Congress, “This generation has altered the composition of the atmosphere on a global scale through … a steady increase in carbon …
Feb 1965 Read More →
First Mention
1965 Roger Revelle contributes to the first mention of global warming in a government report, drawing an analogy between human-produced gases entering the global atmosphere and the effect of glass …
Jan 1965 Read More →
Oceanographers’ Proof
1957 American oceanographers Roger Revelle and Hans Suess demonstrate that CO2 levels in the air have increased as a result of the use of fossil fuels Roger Revelle and Hans Suess …
Jan 1957 Read More →
Temperature Prediction
1904 Swedish scientist Svante Arrhenius concludes that the Earth’s temperature might increase by 5 to 6 degrees Celsius with a doubling of atmospheric CO2 Nobel Laureate Svante Arrhenius follows early …
Jan 1904 Read More →
Warming Demonstrated
1861 Irish physicist John Tyndall demonstrates experimentally that water vapor and other gases warm the atmosphere John Tyndall, in the article “On the Absorption and Radiation of Heat by Gases …
Jan 1861 Read More →
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 “General Remarks on …
Jan 1824 Read More →