Environmental Studies Commons^™

Optimization Of A Low-Cost Corona Dielectric-Barrier Discharge Plasma Wastewater Treatment System Through Central Composite Design/Response Surface Methodology With Mechanistic And Efficiency Analysis, Yiting Xiao, Yang Tian, Yuanhang Zhan, Jun Zhu

Biological and Agricultural Engineering Faculty Publications and Presentations

Water pollution, which is intensified by the release of hard-to-degrade pollutants, poses severe threats to ecosystems, human health, and economic development. The existing advanced oxidation processes often involve high operational costs and can potentially result in secondary pollution, highlighting the necessity for innovative and more sustainable solutions. To address these challenges, our study introduces a cost-effective and eco-friendly corona dielectric-barrier discharge for wastewater treatment. Using the central composite design/response surface methodology, a high decolorization rate of 98% of methylene blue (MB) was achieved within 10 min by optimizing parameters such as pH and voltage. Furthermore, the mechanisms underlying the generation …

Is Energy Localized Or Gone With The Wind? An Analysis Of Iberdrola’S Wind Energy Localization Initiatives In Burgos, Spain, Mia Cromwell

Honors Theses

While renewable energy systems offer solutions to mitigate greenhouse gas emissions, promote sustainable development, and foster a just energy transition, certain energy projects account for local needs while others do not. While community energy projects are known to provide localized energy benefits, less is known about large-scale companies’ abilities to foster just transitions through their energy systems. To better understand how global actors can promote a just and sustainable transition through renewable energy deployment, I explore the following research question with a focus on the global electric utility Iberdrola: To what degree does Iberdrola implement energy localization initiatives through wind …

Felling For Photovoltaics: Remote Sensing For The Detection Of Solar Facilities In Maine, James A. Lane

Honors Theses

Solar power is an area with increasing development in the State of Maine. Photovoltaic solar, which uses large arrays of panels constructed on facilities of several hectares, is an ideal renewable energy source for Maine, because of its low population density and small proportion of conserved lands. Since most of the state of Maine is forested, the development of photovoltaic solar will require increasing amounts of deforestation. Environmental impacts of this deforestation include loss of carbon sequestration, erosion, damage to habitat, and inhibition of other forest benefits. This study uses Landsat data and remote sensing to analyze a large portion …

Black Rhino Conservation And Ranger Wellness In Namibia, Terra Gallo

Honors Theses

Wildlife rangers play an essential role in conserving biodiversity worldwide. Until recently, little was known about ranger working conditions and welfare. In 2019 the World Wildlife Fund (WWF) released a report that summarized survey results about ranger wellness from 7,110 rangers across multiple continents. However, the WWF study had geographic gaps and did not survey rangers from southern Africa, including the Republic of Namibia. In Namibia, rangers in the Kunene region are central to the conservation of the desert-adapted black rhino. Save the Rhino Trust (SRT) is a Namibian organization that supports rhino rangers and black rhino conservation. The aim …

Influence Of Landscape Characteristics On Eastern Gray Treefrog (Hyla Versicolor) Occupancy Within Managed Forests Of Pennsylvania And Virginia, Susanna G. Sousa

Antioch University Dissertations & Theses

Understanding the characteristics that influence amphibian occupancy within forest ecosystems is necessary for effective conservation and management. My study focused on how eastern gray treefrog (Hyla versicolor) occupancy is influenced by environmental attributes quantified at various spatial extents. From May through July 2020 and 2021, we deployed autonomous recording units at 986 unique locations within managed forests in Pennsylvania and Virginia. Landcover class and road density were evaluated around each sampling location at ten spatial extents between 60 and 4000 m. Additionally, I measured aspect, elevation, soil drainage class, distance to nearest wetland, and basal area at each …

Costuming The Californian Apocalypse: Sartorial Speculations Of Los Angeles's Future, Isabel Kramer

Scripps Senior Theses

With this project, I use fashion design as a medium to visually speculate a range of futures that exist in relation to different temporal apocalypses and dystopian world endings under the current capitalist structure. Three questions guided my thinking and creation of this project: What will people be wearing in 100 years in Los Angeles if we continue down our current path of late capitalism-induced climate change? How will this look differently for people who exist alongside different axes of oppression and who are affected by environmental racisms that manifest in the built environment of Los Angeles? How do dystopian …

Greening The Grounds: Mitigating Compost Contamination And Expanding Onsite Composting Practices In A Small Liberal Arts College Setting, Loren Mello

Scripps Senior Theses

In response to the growing need for sustainable waste management practices, the Farm Manager at Pomona College proposed redirecting food waste from offsite industrial composting to onsite composting at the Pomona Farm, expanding beyond kitchen waste to include student plate scrapings. This research aimed to address the anticipated challenges associated with this transition, including increased compost contamination, Farm staff labor, and operational work hours. To gain insights, a pilot program was conducted at Frank Dining Hall for one week, focusing on compost contaminants, food waste weight, collection and composting time, and additional qualitative measures. Findings from the pilot indicated that …

Climate Change And Critical Agrarian Studies, Ian Scoones, Saturnino M. Borras Jr., Amita Baviskar, Marc Edelman, Nancy Peluso, Wendy Wolford

Publications and Research

Climate change is perhaps the greatest threat to humanity today and plays out as a cruel engine of myriad forms of injustice, violence and destruction. The effects of climate change from human-made emissions of greenhouse gases are devastating and accelerating; yet are uncertain and uneven both in terms of geography and socio-economic impacts. Emerging from the dynamics of capitalism since the industrial revolution — as well as industrialisation under state-led socialism — the consequences of climate change are especially profound for the countryside and its inhabitants. The book interrogates the narratives and strategies that frame climate change and examines the …

Advancing The Blue Economy Through Sustainable Mariculture: The Prospect Of Pearl Oyster And Sponge Cultivation In St. Vincent And The Grenadines, Kevin Antonio Providence

Gulf and Caribbean Research

The Blue Economy is estimated to be worth over USD 2.5 trillion annually, or almost 3% of the world’s GDP in 2020. St. Vincent and the Grenadines (SVG) in the Caribbean region has a vast and rich marine space that is underutilized. This study aimed to explore the feasibility of pearl oyster and sponge farming to advance the country’s Blue Economy through sustainable mariculture. A qualitative approach was applied, using a literature review and thematic analysis of data gathered through semi—structured interviews and focus group discussions with relevant stakeholders. Among several species evaluated, the result of the study revealed that …

Law And Literature In Pennsylvania: A Changing Landscape, Juliette Gaggini

Honors Theses

This thesis examines themes of American national identity perpetuated in Pennsylvania surrounding private property through historical, literary and legal analysis. Ideals of private property and land ownership are broken into three transitions throughout Pennsylvania history: the American frontier and initial land claiming by settlers, mass-deforestation and the introduction of widespread agriculture, and finally industrialization and the introduction of mining and fracking. Each of these transitions highlights the physical changes to the region and how they were influenced by American ideals of private property, productivity, and profitability.

Throughout this thesis, I analyze both literary and legal texts to examine societal beliefs …

Ledroit Park Photograph Collection, Jaclynn Martin

Prints and Photographs Department

The LeDroit Park Photograph Collection is a limited edition of ten (10) 12" x 12" gelatin silver print photographs capturing the revitalized LeDroit Park and its surroundings, taken in 2003 by Steven M. Cummings. The LeDroit Park Initiative, spearheaded in the late 1990s by then-Howard University President H. Patrick Swygert and Ms. Jamie Gorelick, Vice Chair of the Federal National Mortgage Association (Fannie Mae), aimed to renovate and redevelop Howard University-owned properties within the LeDroit Park area. The initiative also explored innovative mortgage rates and payment assistance programs to enhance homeownership opportunities for the university-affiliated and neighboring community. Notably, the …

Changing The Communication For A Changing Climate: Effects Of Climate Change Communication On Identity, Emotions, And Mobilization, Liam Schwartz

Departmental Honors Projects

What are the most constructive emotions to evoke in climate change communication for diverse groups of people in a way that encourages pro-environmental behavior? A specific communication style and subsequent emotional response may best mobilize people interested in efforts to address climate change compared to people who are less invested in the issue. In this study, 927 valid participants surveyed were randomly assigned to one of three groups: a “fear” condition, a “hope” condition, and a control condition. All participants were asked a series of questions about their demographics, identities, perceptions, values, and environmental attitudes. Following these experimental tasks, they …

Culture & Contamination On The Fort Hall Indian Reservation, Sidney Upsis Fellows

Graduate Student Theses, Dissertations, & Professional Papers

The land-based culture of our Shoshone-Bannock Tribes reflects our ability to live a healthy and good life by connecting to the land physically and spiritually in ways of respect, accountability, and other traditions that uphold land-human relations. In consideration of the settler colonialism that has spread across Turtle Island (a.k.a., North America) over the past 500 years, appropriation and contamination of land puts land-based cultures at stake. For the Shoshone-Bannock, two Superfund sites, a result and ongoing issue of settler colonialism, present an issue of environmental justice for the Tribes. This thesis seeks to provide a holistic understanding of our …

Cultivating Access: The Benefits And Challenges Of Using Community Land Trusts To Preserve Farmland And Support Farmers., Meghan Daly

Graduate Student Theses, Dissertations, & Professional Papers

Agricultural land protected by community land trusts (CLTs) is more likely to remain in active production due to the CLT’s ability to enforce land use practices and select tenants committed to farming. While land tenure approaches vary among CLTs, protected agricultural lands typically utilize long-term leases with affordable rents (Ela and Rosenberg, 2020). Such leasing arrangements enable farmers to access land at prices unaffected by escalating land values (Schwartz et al., 2013). The CLT model not only safeguards farmland but also promotes active agricultural production, thereby ensuring local food supply and providing economic opportunities for farmers.

Despite the promising potential …

Net Zero And Settler Futurity, Jesse Goldstein

Sociology Publications

Net Zero ideology promises that current and ongoing emissions can be partially offset by ‘negative emissions’ strategies such as carbon capture and sequestration, allowing carbon intensive firms to narrate themselves as agents that are solving – not causing – the climate crisis. This represents a shift in liberal and corporate environmentalism away from both denial and delay, towards a new strategy acknowledging the need to end fossil fuel use while urgently deferring transformations to a future made possible by not-yet developed technological innovations. This paper argues that a through-line of settler futurity provides affective infrastructure potent enough to transect opposing …

The Surface Chemistry And Binding Interactions Of Lignin With Polymer-Encapsulated Gold Nanoparticles Acting As Model Microplastics, Oluwaseun Ayodeji Akinsola

All Master's Theses

This study investigates the surface chemistry and molecular-level interactions between lignin, a special type of natural organic matter, and polymer-capped gold nanoparticles, shedding light on the strength of adsorption between lignin and nanoscale polymer surfaces. Specifically, the study presents a variety of nanoscale polymer surfaces displaying different charged functional groups, using layer-by-layer assembly of three polyelectrolytes (polyallylamine hydrochloride (PAH)), polyacrylic acid (PAA), and poly(diallyldimethylammonium chloride (PDADMAC)) on 90 nm citrate-stabilized gold nanoparticles (AuNPs). This approach provides a library of polymer-encapsulated AuNPs for investigating the binding interactions of lignin to nanoscale polymers via spectroscopic techniques. ζ-potential, dynamic light scattering (DLS), …

Late Holocene Fire History Reconstruction Of Beaver Lake In The Northwest Lowlands Of The Olympic Peninsula, Grace Mckenney

All Master's Theses

Fire is an essential component of the landscapes and forests of the Pacific Northwest, including the temperate rainforests of the Olympic Peninsula. Previous fire history reconstructions from the peninsula show that fire return intervals varied throughout the postglacial period, primarily in response to climatic changes and corresponding shifts in vegetation. However, much less is known about the fire history of the low-elevation forests of the Olympic Peninsula and the role of cultural fire regimes in these environments. The purpose of this study was to reconstruct the paleoenvironmental history of a low-elevation study site, Beaver Lake, located in the northwestern part …

Towards An Engaging And Integrated Climate Change Pedagogy, Noor Ul Ain, Fozia Parveen, Nighat Rabbani, Afsana Shaheen

Books

Note Three years ago, we embarked on a journey to create open and free resources for teachers. We were overwhelmed by the positive response to each of our publications, whether in the form of activity booklets, dictionary, fiction, or early childhood lesson plans.
We were fortunate to receive a grant under the Climate Action Fellowship project from the U.S. Consulate in Peshawar. Initially, the project aimed to create a resource booklet of lessons and activities focused solely on climate change and climate change pedagogy. However, as we progressed, we realized the importance of first meeting with teachers to understand their …

Characterizing The Beneficial Uses Of The Arcata Marsh Constructed Wetland Treatment System And Wildlife Sanctuary, Andrew S. Wolff

Cal Poly Humboldt theses and projects

The Arcata Marsh Constructed Wetland Treatment System and Wildlife Sanctuary, located in Arcata California, has been in operation since 1986. Not only has it served as the wastewater treatment facility for the city, it has also provided other beneficial uses such as acting as a sanctuary for bird, mammal, amphibian, and macroinvertebrate species. With facility upgrades currently underway, it has become important to revisit the beneficial uses of the Arcata Marsh. This project aimed to identify and characterize these beneficial uses. Literature review was conducted, and eleven beneficial uses were identified. Existing and newly obtained data were analyzed to characterize …

Spatial Distribution And Significance Of Burdens To Environmental Justice In Parramore, Florida: An Urban Resilience Perspective, Lex Tracton

Honors Undergraduate Theses

In response to climate change, economic instability, and rapid urbanization, the notion of urban resilience has gained prominence in city planning and governance. Urban resilience is the ability of a system to adapt to new baseline conditions developing as a result of disturbances. This study is focused on one of urban resilience’s sub-tenets, ecological resilience. Ecological resilience is the ability of a system to sustain ecosystem services following a disturbance (i.e. droughts, flooding, heat waves). The health of the environment prior to a disturbance informs post-disturbance ecological resilience. An already stressed and unbalanced system, or an ecosystem with degraded health, …