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Experts Roll Out Malaria Map, Urge Mosquito Study

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By Tan Ee Lyn

HONG KONG (Reuters) - Nearly 3 billion people, or two-fifths of the world's population, were at risk of contracting malaria in 2009 and closer study of the mosquito's life cycle is needed to combat the disease, researchers said in two reports. In the first study, scientists mapped out the geographical spread of the Plasmodium vivax -- the most common parasite that causes malaria -- using reported cases of malaria and details on temperature and aridity. "We estimate that the global population at risk of P.

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Glacial Melt And Ocean Warming Drive Sea Level Upward

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The average sea level around the world has risen a total of 222 millimeters (mm) since 1875, which means an annual rate of 1.7 mm. Yet at the end of this long period, from 1993 to 2009, the sea level rose 3.0 mm per year—a much faster rate. An estimated 30 percent of the sea level increase since 1993 is a result of warmer ocean temperatures that cause the water to expand (thermal expansion). Another 55 percent of the increase results from the melting of land-based ice, mainly from glaciers and the Greenland and Antarctic ice sheets.

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Glacial Melt And Ocean Warming Drive Sea Level Upward

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The average sea level around the world has risen a total of 222 millimeters (mm) since 1875, which means an annual rate of 1.7 mm.1 (See Figure 1.) Yet at the end of this long period, from 1993 to 2009, the sea level rose 3.0 mm per year—a much faster rate.2 An estimated 30 percent of the sea level increase since 1993 is a result of warmer ocean temperatures that cause the water to expand (thermal expansion).3 Another 55 percent of the increase results from the melting of land-based ice, mainly from glaciers and the Greenland and Antarctic ice sheets.4 (Sea ice that melts does not contribute t

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More Than One Out Of Three U.S. Counties Face Water Shortages Due To Climate Change

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Greatest Risks Seen in 14 States: AZ, AR, CA, CO, FL, ID, KS, MS, MT, NE, NV, NM, OK and TX;WASHINGTON (July 20, 2010) -- More than 1,100 U.S. counties -- a full one-third of all counties in the lower 48 states -- now face higher risks of water shortages by mid-century as the result of global warming, and more than 400 of these counties will be at extremely high risk for water shortages, based on estimates from a new report by Tetra Tech for the Natural Resources Defense Council (NRDC).

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