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The geochemist Charles David Keeling, was the first person to notice, in the 50s, one of the most worrying threats to specialists today: global warming.
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Charles David Keeling in 1957 made the precise measurements (Keeling) with which they confirmed that the amount of CO2 accumulated in our atmosphere is increasing.
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At the end of the 50s, the first measurements of Keeling indicated concentrations of 315 parts per million. Today the figure is over 375 parts per million.
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Charles had to break the data collection in April 1964: His government funding sources told him that, indeed, 'you have been shown that atmospheric carbon dioxide is increasing, now seeks another interesting research to do'.
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Charles fought to continue his series of measurements, with the support of many other scientists, and in May 1964 was again collecting data
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Since 1979, temperatures on the surface of the earth has risen about twice as fast as the temperatures on the surface of the ocean (0.25 ° C per decade and 0.13 ° C for decade, respectively).
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The greenhouse effect is the process by which absorption and emission of infrared radiation by gases in the atmosphere warms a planet's lower atmosphere and surface. It was proposed by Joseph Fourier
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According to different measurements 1998 was one of the hottest years in history, the land was subject to very high temperature levels caused by global warming.
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In 2002, George W. Keeling Bush gave the National Medal of Science, the highest U.S. award dedicated to rewarding the researchers.
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It is estimated that reduce snow covered areas and the extent of sea ice, especially in the Arctic, in September 2037 in this area there will be no ice
