An extraordinary drought in the West in drying up the Colorado River and draining the nation's largest reservoirs - Lake Mead and Lake Powell. And amid the overuse of the river and the aridification of the region, the federal government is implementing new mandatory water cuts and asking states to devise a plan to save the water basin.
Assessment of the impacts of the Telegraph Fire on Arizona hedgehog cactus (AHC; Echinocereus triglochidiatus var. arizonicus) located east of the town of Superior in Pinal County, Arizona.
This chapter enumerates the authority, objectives, policy, responsibility, and definitions for planning, construction, reconstruction, operation, and maintenance of forest transportation facilities and for management of motor vehicle use on National Forest System (NFS) lands.
In response to USFS document titled "List of Potential Final EIS Changes Prior to Republication", which states: "Resolution Copper ownership of Gov't Springs and parcels in Dripping Springs Wash", please find copies of Resolution Copper special warranty deeds for the parcels collectively referred to as Government Springs.
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.
Temperatures in Arizona have risen about 2.5°F since the beginning of the 20th century. Recent upward trends in average temperatures and extreme heat are projected to continue. Under a higher emissions pathway, historically unprecedented increases in annual average temperature are projected during this century.
This plan contains the conservation programs that are intended to guide the Phoenix AMA to meet it management goal - and these conservation programs are to be designed to achieve reductions in groundwater withdrawals.
This study uses simulation-based life cycle assessment (LCA) together with a commercial flowsheet simulation program to compare several copper smelting technologies against each other when producing metallic blister copper from sulfide copper ore.
This is the Record of Decision (ROD) for the U.S. Department of Agriculture, Tonto National Forest's travel management decision to comply with the 2005 Travel Management Rule, 36 CFR 212 Subpart B, to provide a system of National Forest System roads, trails, and areas on National Forest System Lands that are designated for motor vehicle use.
