U.S. Southwest
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‘Hot Drought’ Unprecedented Across Western North America Since the 16th Century, Study Suggests
Increased heat due to human-induced climate change, not just lack of rain, is driving the continued drying of soils, say researchers.
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Study Reveals Long-Distance Levers Behind U.S. Southwest Drought—and a Dry Future
The U.S. Southwest has suffered a historic drought over the past two decades. A new study elucidates the drivers, and says conditions will never return to those of the relatively wet 20th century.
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Warming Pushes Western U.S. Toward Driest Period in 1,000 Years
Study Warns of Unprecedented Risk of Drought in 21st Century
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Smaller Colorado River Projected for Coming Decades, Study Says
Some 40 million people depend on the Colorado River Basin for water but warmer weather from rising greenhouse gas levels and a growing population may signal water shortages ahead.

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