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A recently developed tea bag-sized filter could provide a cheap, easily replenished source of water for those who need it most. Read more »
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A cheap and effective filtering device developed by a South African university could provide safe drinking water to millions of people. Read more »
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Longer periods of drought, decreased river flow, higher rainfall variability and lower soil moisture content: water is at the heart of the impacts of climate change. Read more »
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Key economic issues will have to be resolved should southern Sudan vote for independence in the 2011 referendum. Read more »
