The physicist Edward Teller estimated that a constellation of satellites providing continuous atmospheric measurements over a one square kilometer grid worldwide, which is currently cost-prohibitive, would only improve long-range forecasts from the current five days to approximately 14 days.

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The 700, 000-square-kilometer Niger Delta is one of the most important wetlands in the world and home to 31 million people -- 60 percent of whom, according to the U.N.

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