Documents

Contrast of Phoenix and Tucson’s different approaches to urban water management—Phoenix leaning heavily on supply augmentation and growth-first policies, while Tucson adopted earlier and more aggressive conservation strategies—highlighting how these divergent paths shape their sustainability and resilience in a water-scarce desert environment

As the worsening drought crisis continues to impact communities across the West, the Department of the Interior today announced urgent action to improve and protect the long-term sustainability of the Colorado River System, including commitments for continued engagement with impacted states and Tribes.

The purpose of the withdrawal requested is to protect the lands pending conveyance to the Town of Superior (Town), Pinal County, Arizona as directed by Congress.

List of noxious weeds from the USDA

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Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Culturally sensitive materials not posted here fall under this criteria.

Receipt notice for letter from TNF Supervisor dated March 8, 2018 and concurrence with approach to modify range of alternatives considered in detail in Draft EIS.

The Assured and Adequate Water Supply Rules require applicants to submit hydrologic information to support certain aspects of their applications.

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Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Culturally sensitive materials not posted here fall under this criteria.

An energy system powered by clean energy technologies differs profoundly from one fuelled by traditional hydrocarbon resources. Building solar photovoltaic (PV) plants, wind farms and electric vehicles (EVs) generally requires more minerals than their fossil fuel- based counterparts. A typical electric car requires six times the mineral inputs of a conventional car, and an onshore wind plant requires nine times more mineral resources than a gas-fired power plant.