"What is considered the best presently available climate model for treating the Greenhouse Effect predicts that a doubling of the CO2 concentration in the atmosphere would produce a mean temperature increase of about 2°C to 3°C over most of the earth. The model also predicts that the temperature increase near the poles may be two to three times this value.... Some countries would benefit but others could have their agricultural output reduced or destroyed.... In the first place, there is general scientific agreement that the most likely manner in which mankind is influencing the global climate is through carbon dioxide release from the burning of fossil fuels. A doubling of carbon dioxide is estimated to be capable of increasing the average global temperature by from 1 [degree] to 3 [degrees Celsius], with a 10 [degrees Celsius] rise predicted at the poles. More research is needed, however, to establish the validity and significance of predictions with respect to the Greenhouse Effect. Present thinking holds that man has a time window of five to 10 years before the need for hard decisions regarding changes in energy strategies might become critical."
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James F. Black, senior scientist in the Products Research Division of Exxon Research and Engineering, from his summary of his 1977 presentation to Exxon corporate management (; ; ; ; ; ; ; ; ; ).
https://en.wikiquote.org/wiki/ExxonMobil_climate_change_controversy
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