The production and consumption of goods is a global phenomenon that has significant social and environmental impacts and challenges. In 2016, the International Labor Organization (ILO) estimated that 25 million people were victims of forced labor. Forced labor is defined as “work that is involuntary and subject to penalty.” It is a subset of modern slavery, and is a complex problem that affects all three pillars of sustainability. Fair labor, on the other hand, is voluntary, requires fair compensation, and is free from penalty. With one in five jobs tied to global supply chains, it is vital that companies and organizations are committed to sustainability within the supply chain (Thorlakson et al., 2018). One critical aspect of this commitment includes a focus on fair labor practices.
ASU’s Trademark Licensing Department currently utilizes third-party vendors to verify that any licensed product, those marked with an ASU logo or trademark, have been sourced and produced under fair labor conditions. Our project focuses on steps that can be taken to elevate fair labor practices across the ASU supply chain for both licensed and unlicensed products. The Fair Labor Solutions Team has developed two primary deliverables: an overarching report and a fair labor problem identification presentation with a script to act as an education tool for ASU staff. The report contains the following elements: a landscape analysis of fair labor, ASU’s current procurement practices, a collection of exemplary case studies, and a tiered vision towards transformational change. Our team understands that ensuring fair labor throughout the ASU supply chain is not a linear process. The goal of our deliverables is to offer a strong foundation for the university's transition to sustainable procurement.
The first paper is based on a systematic literature review where evidence from morphological mitigation strategies in HUDs were critically reviewed, synthesized and integrated. Metrics, measurements, and methods were extracted to examine the applicability of the different strategies, and a content synthesis identified the levels of strategy success. Collective challenges and uncertainties were interpreted to compare aspirational goals from actualities of morphological mitigation strategies.
The second paper unpacks the relationship of urban morphological attributes in influencing thermal conditions to assess latent magnitudes of heat amelioration strategies. Mindful of the challenges presented in the first study, a 92-day summer field-measurement campaign captured system dynamics of urban thermal stimuli within sub-diurnal phenomena. A composite data set of sub-hourly air temperature measurements with sub-meter morphological attributes was built, statistically analyzed, and modeled. Morphological mediation effects were found to vary hourly with different patterns under varying weather conditions in non-linear associations. Results suggest mitigation interventions be investigated and later tested on a site- use and time-use basis.
The third paper concludes with a simulation-based study to conform on the collective findings of the earlier studies. The microclimate model ENVI-met 4.4, combined with field measurements, was used to simulate the effect of rooftop shade-sails in cooling the near ground thermal environment. Results showed significant cooling effects and thus presented a novel shading approach that challenges orthodox mitigation strategies in HUDs.
This study investigates the impact of urban form and landscaping type on the mid-afternoon microclimate in semi-arid Phoenix, Arizona. The goal is to find effective urban form and design strategies to ameliorate temperatures during the summer months. We simulated near-ground air temperatures for typical residential neighborhoods in Phoenix using the three-dimensional microclimate model ENVI-met. The model was validated using weather observations from the North Desert Village (NDV) landscape experiment, located on the Arizona State University's Polytechnic campus. The NDV is an ideal site to determine the model's input parameters, since it is a controlled environment recreating three prevailing residential landscape types in the Phoenix metropolitan area (mesic, oasis, and xeric). After validation, we designed five neighborhoods with different urban forms that represent a realistic cross-section of typical residential neighborhoods in Phoenix. The scenarios follow the Local Climate Zone (LCZ) classification scheme after Stewart and Oke. We then combined the neighborhoods with three landscape designs and, using ENVI-met, simulated microclimate conditions for these neighborhoods for a typical summer day. Results were analyzed in terms of mid-afternoon air temperature distribution and variation, ventilation, surface temperatures, and shading. Findings show that advection is important for the distribution of within-design temperatures and that spatial differences in cooling are strongly related to solar radiation and local shading patterns. In mid-afternoon, dense urban forms can create local cool islands. Our approach suggests that the LCZ concept is useful for planning and design purposes.