From 135,000 to 90,000 years ago tropical Africa had megadroughts more extreme and widespread than any previously known for that region, according to new research.
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Global warming will likely hit food production in developing nations the hardest, increasing the risks of drought and famine in the countries that already struggle to feed their populations, a senior U.N. official said Tuesday.
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Even at the best of times, the West's water supplies are fraught with political, economic and environmental wrangling. When devastating droughts occurred in the 1970s and the 2000s, farmers and fish alike suffered. Yet the ability to predict stream flows in the Western United States at seasonal lead times - months or longer - is scarcely better today than it was in the 1960s.
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NASA scientists may have discovered how a warmer climate in the future could increase droughts in certain parts of the world, including the southwest United States.
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Changes in the hydrologic cycle, including droughts and flooding, are among the most immediate projected consequences of global warming for human society.
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Veolia Water has been selected for two major projects in Australia to alleviate the severest drought that the State of Queensland (one of the fastest growing demographic regions in the country) has ever recorded.
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