The University of Arizona Campus Repository: Recent submissions
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Urban Growth and Social Sustainability: Design Strategies for San BorjaThis thesis examines how rapid urban growth between 2018 and 2025 has reshaped social sustainability in San Borja and how architectural and urban design strategies can help reconcile high residential density with the district’s community identity. It uses a mixed approach that combines a literature review, an observation sheet, and two structured surveys. The study identifies how recent high-density developments have affected residents’ daily activities, sense of belonging, and interest in participation in planning processes. The findings show that current tensions regarding densification stem from practical disruptions such as increased traffic, reduced parking availability, noise, and poor integration with the existing urban fabric. At the same time, residents express interest in contextual design solutions, such as transparent façades and the inclusion of restaurants, cafés, minimarkets, and bakeries in ground floors, which have the potential to increase street vitality and everyday sociability. These preferences highlight a gap between residents’ expectations and existing regulatory constraints limiting mixed-use buildings in San Borja. The study recommends the implementation of these strategies through conceptual plans and concludes that socially sustainable growth in the district depends on design strategies that strengthen street-level integration, promote diverse urban activity and incorporate resident input in planning processes to ensure density supports the social qualities that define it.
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DESIGN FOR EXISTENCE OR FOR DEVELOPMENT? A CRITIQUE OF URBAN INTERVENTION AT THE QUEBRADA VERDE TOWN CENTERIn the town of Quebrada Verde, urban intervention initiatives are not aligned with the magnitude of the socio-environmental problems facing this community. The infrastructure gap and the focus of municipal proposals may not currently be focused on advancing the community by providing efficient urban infrastructure for a populated center with a vulnerable ecosystem next to it, such as Lomas de Lucumo, one of the green lungs of the capital city of Lima in Peru. This research establishes the guidelines for the growth of Quebrada Verde in relation to a landscape with the fragile ecosystem of Lomas de Lucumo for its conservation. This study focuses on the critique of urban improvements implemented to enhance Quebrada Verde and identifies the barriers that could be preventing better urban quality in the area. Through document analysis, direct observation of the site, collection of complementary documents, and interviews with specialists in this context, it is confirmed that the measures taken by the municipality towards the population aim to remain educational and even symbolic. However, the scale of the needs, together with spatial development, suggest proposals that respond directly in the urban environment, not only for the benefit of the community but also for the ecosystem in which they coexist. This study concludes that a dignified and permanent intervention proposal could be more effective when there is collaborative work with the community. Design strategies and examples that can be replicated in the urban context are proposed to generate resilience and activate public spaces for community interaction.
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Vertento® (isocycloseram) en Algodón: Eficacia, Selectividad Parcial y Uso Dentro del MIP.El registro reciente de Vertento® (isocicloseram; Grupo 30 de IRAC) introduce un nuevo modo de acción para el manejo de Lygus en el algodón de Arizona. Estudios de campo muestran un control excelente y consistente a una dosis de 1.6 onzas por acre (≈120 mL/ha), con actividad residual de dos semanas o más. Vertento se clasifica como un insecticida parcialmente selectivo (“caja amarilla”) dentro del sistema MIP de base biológica de Arizona, con efectos intermedios sobre organismos benéficos no objetivo. Sus impactos sobre depredadores son menores que los de insecticidas organofosforados, lo que lo convierte en una opción eficaz para el manejo de Lygus que apoya el manejo de la resistencia y reduce el riesgo de brotes secundarios.
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Livestock Hauling ConsiderationsTransporting livestock, of any kind, presents a host of challenges that need to be considered before a person ever hooks up to any kind of trailer. Beef Quality Assurance (BQA) now offers a course for producers to take that goes over the various aspects of transporting livestock, especially cattle. This new course is called Beef Quality Assurance Transportation (BQAT) and is offered through the University of Arizona Cooperative Extension. Before hauling livestock, producers should consider some key elements before they begin. What am I hauling? Where am I going? And finally, how am I going to get there safely? These and various other elements need to be considered to successfully haul livestock and will be addressed here.
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Soil Health: Regenerative and Conventional Crop Production SystemsThis article, published in the VegIPM Newsletter (Vol. 17, No. 2), examines regenerative and conventional crop production systems, highlighting how soil health outcomes depend on management practices, climate, and cropping context, with particular emphasis on desert agricultural systems.
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Trapped in Transit: Understanding public transport performance and user experience in La MolinaThis study examines how the Corredor Rojo bus service operates along Av. Javier Prado Este in La Molina can prevent long commute times by integrating user perception with lessons learned from regional public bus transportation systems. La Molina’s mobility problem is caused by its dependence on a single public transport exit route, which concentrates demand, creating delays for residents who rely on this transportation mode. Previous research on transit efficiency highlights the importance of dedicated bus infrastructure and system management that prioritize and incentivize the use of public transport; however, these elements remain limited in the current infrastructure assigned to the Corredor Rojo service, the only formal bus service in the district. Addressing this gap is essential as commuting time not only affects the efficiency of travel but affects the social equity of users who cannot transition to private transport options. Using a mix-method approach, the study combines a document review of successful medium-scale bus systems in Bogota and Chile, surveys of frequent Corredor Rojo users in La Molina, and on-site observations along Av. Javier Prado Este key node in the mentioned district. Findings indicate that overall travel time irregularities and user dissatisfaction are caused by the absence of exclusive bus lanes, insufficient enforcement of policies that prohibit invasion of private vehicles into these bus lanes, and the inadequacy of the current management system. The surveys support this as the majority of respondents indicated that their travel times were longer than expected. By comparing the existing challenges in the district with successful examples of regional bus systems, this research provides practices and strategies to improve the operation of the Corredor Rojo, such as implementing continuous exclusive lanes, strengthening enforcement mechanisms, and improving system management could significantly reduce commute times and improve equity within La Molina’s urban mobility.
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Greenhouse Gas Inventory and Preliminary Energy-Use Analysis of Tucson Unified School District: Fiscal Year 2024This report supports ongoing efforts to reduce climate-related impacts from Tucson Unified School District (TUSD) operations, in alignment with the district’s Climate Action and Sustainability Policy. It establishes a baseline understanding of these impacts through a greenhouse gas inventory covering FY2024, which follows guidance from The Greenhouse Gas Protocol: A Corporate Accounting and Reporting Standard and includes emissions from seven key district activities. The report also provides a detailed assessment of energy use and costs at TUSD facilities through a preliminary building energy-use analysis conducted in accordance with ASHRAE Procedures for Commercial Building Energy Audits. Finally, it identifies several high-level opportunities for emissions reductions. Greenhouse gas emissions from the activities included in this report totaled 63,194 metric tons of CO₂e in FY2024. This amount is approximately equivalent to the carbon sequestered by 63,194 acres of U.S. forests, the emissions from 14,724 gas-powered passenger vehicles, or the energy used by 8,468 homes over the same time period. These emissions are associated with present and future damages with an estimated financial impact of just over $13 million. Of the seven operational activities examined, the purchase of electricity from the grid accounted for nearly two-thirds (60%) of the district’s total greenhouse gas emissions. The second-largest contributor was the disposal of refuse generated at TUSD facilities (17%), followed by on-site combustion of natural gas (11%) and district-owned transportation (8%). Among the four types of schools operated by TUSD, high schools accounted for the largest share of district greenhouse gas emissions. TUSD facilities generally used more energy per square foot than similar institutions in the same climate zone, excluding energy losses that occurred before reaching the building. The district procured electricity from on-site solar installations at 82 facilities through Solar Service Agreements, which reduced the amount of electricity purchased from the grid. Energy use per square foot varied widely across facility types, with several buildings consuming significantly more energy than is typical for TUSD and comparable institutions. Districtwide building energy use in FY2024 was approximately 10% higher than the average observed between FY2021 and FY2023. Key opportunities to reduce emissions include reducing total and peak building energy use; increasing on-site solar generation and energy storage; supporting efforts to decarbonize the electricity grid; prioritizing high-energy-use facilities; consolidating summer operations; implementing waste reduction and diversion programs; and electrifying building equipment and district-owned vehicles. Pursuing these opportunities could also support student apprenticeship programs in partnership with local building trades. To support future reduction efforts, the district should identify an optimal baseline year and clearly define and implement tracking systems for activities included within emissions reduction targets.
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From Smoot-Hawley to the Synthetic Opioid Crisis: The United States Postal Service as a Conduit for International Fentanyl Shipments [Note]Over the last decade, the United States postal system has become an unwitting conduit for the international trafficking of deadly synthetic fentanyl and its precursors. This form of fentanyl trafficking has been made possible by an illicit pipeline that runs through China, Mexico, and the United States postal system. This Note will explore how the synthetic fentanyl pipeline emerged from a confluence of U.S. trade policy loopholes, the rapid expansion of Chinese e-commerce, and troubled counternarcotics diplomacy with China and Mexico. This Note will then discuss how attempts by the U.S. government to interrupt the fentanyl pipeline have so far proven inadequate and, at times, capricious. Finally, this Note will advocate for comprehensive and transparent policy solutions to fortify the U.S. customs sector against international narcotics trafficking.
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Filling the A.I. Gap: How Domestic and International Law Fails to Protect Artificial Intelligence Whistleblowers [Note]As artificial intelligence (A.I.) development accelerates beyond the reach of current regulatory frameworks, whistleblowers in the A.I. sector, particularly those employed by privately held firms, face a dangerous legal void. This Note identifies a critical regulatory shortfall, termed the “A.I. Gap,” where employees seeking to expose unsafe but not explicitly illegal A.I. practices are left unprotected under both U.S. and EU law. Through a detailed analysis of high-profile whistleblower cases, including the 2024 “Right to Warn” letter and disclosures by former OpenAI and Microsoft employees, the Note demonstrates how existing laws, such as the Dodd-Frank Act, the False Claims Act, and the EU Whistleblower Directive, fail to protect individuals who raise concerns about speculative or ethical A.I. risks. The Note also examines how non-disclosure agreements (NDAs) are strategically used to suppress internal dissent and limit legal recourse. Ultimately, this Note proposes a multi-step reform framework to protect AI whistleblowers across internal, governmental, and post-disclosure stages, emphasizing the need for confidential, responsive, and independent reporting channels; statutory redefinition of whistleblowing to include risk-related concerns; and robust anti-retaliation safeguards. Without these reforms, the public remains vulnerable to unaccountable A.I. development practices and the individuals best positioned to expose them remain silenced.
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Reconceptualizing Plastic Pollution Regulation in Nigeria, the U.S., and the U.K. from a Corporate Social Responsibility (CSR) Perspective [Article]Plastic pollution is an escalating crisis, yet Corporate Social Responsibility (CSR) remains largely voluntary in certain countries. In Nigeria, weak regulations and a lack of corporate accountability worsen the problem. While the United States and the United Kingdom have stronger sustainability initiatives, CSR in these countries is still not explicitly legally mandated, resulting in inconsistent corporate efforts. Despite growing advocacy for stricter environmental policies, businesses are not legally required to take responsibility for plastic waste. This article explores how CSR can go beyond voluntary commitments to become a structured, enforceable approach to addressing plastic pollution. By comparing CSR models in Nigeria, the United States, and the U.K., the article assesses best practices that could help Nigeria develop stronger corporate sustainability policies. Ultimately, it advocates for a clear CSR framework that holds businesses accountable and ensures they actively contribute to reducing plastic waste and safeguarding the environment.
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Balancing Innovation and Integrity: Australia's AI Ethics and Trust Regulation in Global Context [Article]As artificial intelligence (AI) becomes increasingly embedded in society, ensuring its ethical use and public trust is a global imperative. This paper critically examines Australia’s approach to regulating AI ethics and trust, comparing it with frameworks in the United States, the United Kingdom, and the European Union. While these jurisdictions adopt varied strategies—ranging from risk-based and sector-specific to principle-driven models—Australia relies primarily on voluntary standards, such as the AI Ethics Principles and the Voluntary AI Safety Standard. Despite their intent, these frameworks lack enforceability, leading to inconsistent adoption and limited accountability. The paper highlights key ethical challenges, including privacy breaches, algorithmic bias, and the absence of legal safeguards in high-risk AI applications. It argues that Australia’s current regulatory landscape is insufficient to address the rapid evolution of AI technologies. To bridge this gap, the authors propose a meta-regulation approach—one that integrates legal oversight with organizational self-regulation, fostering both innovation and ethical responsibility. This model offers a flexible yet accountable framework for embedding ethical principles into AI development and deployment. The paper concludes by emphasizing the need for Australia to adopt a more robust, enforceable, and adaptive regulatory strategy to ensure trustworthy AI.
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Table of ContentsThe University of Arizona James E. Rogers College of Law (Tucson, AZ), 2025
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Title PageThe University of Arizona James E. Rogers College of Law (Tucson, AZ), 2025













