New Deal Essay

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“Global Warming." International Encyclopedia of the Social Sciences. Ed. William Darity, Jr. 2nd ed. Vol. 3. Detroit: Macmillan Reference USA, 2008. 327-330. Global Issues In Context. Web. 17 Feb. 2011. Just before the end of the twentieth century, American researchers released ice-thickness data, gathered by nuclear submarines. The data showed that over the previous forty years the ice depth in all regions of the Arctic Ocean had declined by approximately 40 percent. in June 2005 a British Antarctic survey reported measurements of the glaciers on this ice sheet shrinking. In October 2005 glaciologists reported that the edges of the Antarctic ice sheets were crumbling at an unprecedented rate and, in one area, glaciers were discharging ice three times faster than a decade earlier. . Melting glaciers could pose threats to the water supply of major South American cities and is already manifest in the appearance of many new lakes in Bhutan. They outlined strong and long-term evidence “from direct measurements of rising surface air temperatures and subsurface ocean temperatures and from phenomena such as increases in average global sea levels, retreating glaciers and changes to many physical and biological systems” (Joint Science Academies Statement 2005). if melting ice reduces the reflective properties of white surfaces (the “albedo” effect) or if melting tundra releases frozen methane, leading to further warming. “Floods Are Only Part Of The Story." Sri Lanka Daily Mirror [Colombo, Sri Lanka] 16 Feb. 2011. Global Issues In Context. Web. 17 Feb. 2011. Sea level rise is caused partly by more water from melting glaciers, and partly from expansion as sea water warms up. If the global sea level rises just one meter, quite a lot of our coastal areas will go under water. Tourism is one of a

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