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The saguaros were already stressed from record-breaking heat three years ago, and this summer's historic heat turned out to be the cactus needle that broke the camel's back.
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This year’s massive snowpack in the Rocky Mountains has created above-average inflows at Lake Powell where levels are up by nearly 45 feet from last year.
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A new study shows ponderosa pines in the Four Corners region rely heavily on the summer monsoon season to survive the current megadrought. But, it’s hard to predict if monsoon storms will strengthen or weaken with climate change. KNAU’s Melissa Sevigny spoke with lead author Brandon Strange, a researcher from the University of Arizona.
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The Supreme Court has ruled against the Navajo Nation in a dispute involving water from the drought-stricken Colorado River.
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The Department of the Interior announced today the start of a formal public input process for determining the rules that govern the Colorado River beyond 2026.
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A new round of negotiations about sharing water from the Colorado River is set to kick off next week.
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The group Trout Unlimited has launched a campaign to boost federally funded water conservation projects on the Colorado River.
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A new study shows that over the next 100 years about 4% of the groundwater demand in the Phoenix metro area will not be met without further action.
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Facing the future with a dwindling Colorado River supply and intense pressure from the federal government, Arizona, California and Nevada have offered a plan to cut their water use significantly.
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Federal officials say Lake Powell is not expected to drop so low in the next two years that it would prevent Glen Canyon Dam from generating hydropower.