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The number of monarch butterflies spending the winter in western states like Arizona and California dropped dramatically even as federal officials move to extend protections for the pollinator.
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The National Weather Service says it was the warmest year on record for Page, Show Low and Winslow and the second warmest for Flagstaff and Prescott.
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A new report says Earth just experienced its second-warmest November on record — second only to 2023 — making it all but certain that 2024 will end as the hottest year ever measured.
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Arizona will continue to take a hit on its Colorado River allotment next year as western states struggle to deal with dire drought conditions.
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A signing ceremony was held Wednesday in Phoenix for a sweeping water rights settlement that has been decades in the making. Leaders of the Navajo Nation, Hopi Tribe and others called the agreement “historical.”
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A new study prepared by the U.S. Forest Service says national forests may experience a near-doubling of the area burned in wildfires by the middle of this century because of climate change.
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The U.S. Bureau of Reclamation has finalized its guidance for protecting water levels in Lake Powell and Lake Mead.
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A coalition of environmental groups has sent a proposal about managing the Colorado River to the government. The authors say it shouldn't compete with existing state plans, but instead make sure those state rules also consider the environment.
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Flagstaff City Council members debated a citizen petition Wednesday that requested the city add wildfire, flooding, and drought to the priorities in its Carbon Neutrality Plan.
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Arizona Rep. Raul Grijalva, the top Democrat on the House Natural Resources Committee, called the rule a "much-needed step" to fight climate change and protect the health of communities near drilling sites throughout the West.