The paper presents a review of carbon footprints (CF) for Cu and Zn produced from primary and secondary raw materials by analyzing data taken from scientific literature and the Ecoinvent database.
Based on available information, I have determined waters of the United States do not occur on the project site. The basis for our determination can be found in the enclosed Memorandum for Record.
The Arizona National Scenic Trail Comprehensive Plan is a long-term programmatic plan that fulfills the legislative requirements described in Section 5(e) of the National Trails System Act (Pub.L. 90-543, as amended) (NTSA).
Nothing submitted with this correspondence represented new information that had not already been considered during the NEPA process. The purpose of this process memorandum (process memo) is to detail the disposition of the items submitted.
This catalog has been prepared to summarize available information for selected springs and seeps in the Upper Queen Creek and Devils Canyon watersheds. The springs and seeps included in this catalog were selected based on proximity to planned facilities as proposed by Resolution Copper for the Resolution mine project. Version 2.0.
This Record of Decision (ROD) constitutes the Department’s final decision after facilitating, analyzing, and considering public input over the past two and one-half years, during which the ongoing drought continued to focus nationwide attention on the Basin.
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 paper examines the security of water resources in Phoenix, AZ, under different scenarios of climate change, consumption patterns, and reductions of available surface water.
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
