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Assignment: Global Warming

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Assignment: Global Warming

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GLOBAL WARMING The term global warming was first used in its modern sense in a science paper dated 8th August 1975 in the journal science called “Are we on the brink of a pronounced global warming?” The words used by Broker were new and they represented a convincing recognition that there was an amount of warming in the climate. Scientists previously used the phrase “inadvertent climate modification” because even though it was realized that humans could bring about a change in the environment, no-one was particularly sure as to which direction it was going. The word Global Warming was first used by National Academy of Sciences in 1979 in a paper called The Charney Report, which wrote: “If there is a continuous increase in the amount of carbon dioxide in the atmosphere, there’ll be no reason to doubt that climate changes will come up and no reason to believe that these changes will be close to insignificant.” The report made a contrast between referring to changes in surface temperature as Global Warming while referring to various other changes caused by increased CO2 as climate change. Global warming became more commonly popular basically after 1988 when a NASA climate scientist James Hansen used the term in a demonstration to congress. He said, “Global warming has reached to such a stage that we can describe it with a great degree of confidence as a cause and effect relationship between the greenhouse effect and the noticed warming.” His statement was widely reported and the word ‘Global Warming’ was ordinarily used in public disclose and by the press. Reference: http://www.projectearth.net/Project/Details/1508

Global warming has been one of the biggest environmental and humanitarian crises since the late 19th century. Decades have been spent by the scientists to figure out what actually is causing global warming. Natural cycles and events that are known to influence climate have been looked upon. But the...