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Cities around Phoenix are spending billions to develop water infrastructure. Local leaders say it's a necessary step as the Colorado River shrinks and groundwater dries up.
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State, federal and tribal leaders met in Boulder, Colo. to talk about the Colorado River's next chapter. They don't appear close to an agreement.
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Some experts say the System Conservation Pilot Program, or SCPP, is costly and may not be the most effective way to save Colorado River water.
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New findings about sublimation explain how snow is lost to evaporation before it can melt. The data can help form better predictions about water supplies from the Colorado River.
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A group of tribes that use Colorado River water sent a list of principles to the federal government amid contentious talks about how to share the shrinking supply.
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A coalition of environmental groups has proposed a set of new rules for managing the Colorado River amid heated negotiations about how to share the water supply, which is shrinking due to climate changed.
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A lot of uncertainty on the outcome of any decision from the nation’s highest court regarding the river.
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The details below can help you understand the logistics and arguments within the decade-long water lawsuit.
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The Gila River Indian Tribe (GRIC) in Arizona said it does not support the Lower Basin's proposal for post-2026 river management, adding a new layer to complicated negotiations.
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The seven states that use water from the Colorado River have proposed competing plans for how it should be managed after 2026. Colorado, New Mexico, Utah, and Wyoming have one plan in mind. California, Arizona and Nevada have a different idea. The states primarily disagree about the how to account for climate change and how to release water from Lake Powell.