SCHOLAR PROFILES

SICJS faculty scholars foster research, scholarship and teaching in in climate, environmental justice and sustainability.
 

Todd Aagaard

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Professor of Law
Heller McGuinness Leadership Chair
Charles Widger School of Law

Todd's research focuses on issues of environmental law, energy law and regulation. In each of these areas, he tries to bring conceptual coherence and clarity to the legal treatment of issues of sustainability.

Recent publications:

  • , Florida LawReview(forthcoming 2026)
  • , Illinois Law Review 555 (2025)
  • , Cambridge University Press (2022) with Andrew N. Kleit

John Abubakar, OSA

John Abubakar, OSA

Chief Sustainability Officer
Chair, Sustainability Leadership Council
Adjunct Professor of Sustainability
Department of Theology and Religious Studies
College of Liberal Arts and Sciences

John’s research focuses on sustainable cities, human flourishing, circular economy and sharing economy. He is a transdisciplinary scholar interested in advancing the polyculture of complementary knowledges in improving human flourishing and nature’s health. As a scholar-practitioner, he works within established systems to implement change. He is a fellow of the International Society for Development and Sustainability.

Recent publications:

  • Abubakar, J. (2026). Sustainable Cities and Communities: Informal Settlements and Left behind places, (forthcoming)
  • Abubakar, J. (2025). The Bible and Sustainability, London: Routledge.
  • Abubakar, J. (2023). Urbanism: Using Settlement upgrading and Self-help housing in addressing the housing shortage in Nigeria and Italy, ICSD, Rome

Samantha Chapman

Samantha Chapman

Professor and Co-Director Center for Biodiversity and Ecosystem Stewardship
Department of Biology
College of Liberal Arts and Sciences

Samantha and her group study biodiversity and global change in coastal ecosystems. She leads the WETFEET project, an interdisciplinary group of scientists, land managers and environmental educators who work with an array of field experiments in marshes and mangroves and plan climate adaptation strategies. She feels honored to be able to study the ways plants shape our world and hopes that her work can contribute to our ability to rediscover how to value and live with nature.

Recent publications:

  • Mancera Pineda, José Ernesto; J.F. Blanco-Libreros, F. Adame, G.A. Castellanos-Galindo, S.K. Chapman, K. Diele, K. Rogers. 2025. . Bulletin of Marine Science.  
  • Mack, M.R., Langley, J.A., Feller, I.C. and Chapman, S.K. 2024. The ecological consequences of nutrient enrichment in mangroves. Estuarine, Coastal and Shelf Science, p.108690.
  • Chapman, S.K. I.C. Feller, G. Canas*, M.A. Hayes, N. Dix, M. Hester, J. Morris, J.A.  Langley. 2021. . Ecology

Sarah Cooney

Sarah Cooney

Assistant Professor
2025 SICJS Faculty Fellow
Department of Computing Sciences
College of Liberal Arts and Sciences

Sarah’s research falls under the broad umbrella of Human-Computer Interaction (HCI), and more specifically she focuses on Sustainable HCI. She is interested in the ways people and communities use technology to promote sustainability and how this aligns with their personal values including spiritual and religious values. She has several ongoing research projects, including work on technological mediation in campus re-use programs, supported by the SICJS fellowship; a study of the way religious values shape how users imagine, design and use technology to promote sustainability, supported by an NSF CRII grant; and an upcoming First-Year Match project on Trad Wife culture and sustainability.   

Recent publications:



Jonathan Doh

Jonathan Doh

Senior Associate Dean for Research, Faculty Advancement, and Global Engagement
Herbert G. Rammrath Endowed Chair in International Business
Professor, Management & Operations
Villanova School of Business

Jonathan’s research focuses on climate change adaptation, corporate socio-political engagement, sustainability in global supply chains, and ESG as a risk mitigation strategy. He has published more than 100 referred articles, eleven books, and two dozen case studies. He has been editor-in-chief of Journal of World Business and Journal of Management Studies and is currently Editor (Sustainability) at Journal of International Business Studies. He is a fellow of the Academy of Management and the Academy of International Business, has been ranked by Stanford/PLOS among the top .5% of management scholars globally (282 out of 57,191), and has 26,000+ Google Scholar citations.

Recent publications:

  • Marano, V., Wilhelm, M. Doh, J.P., Kostova, T., Beugelsdijk, S. (2024). y. Journal of International Business Studies, 55, 413-428.
  • Yoon, D., Tashman, P., Benischke, M., & Doh, J.P. (2024).  Journal of Business Venturing. 39 (1). doi.org/10.1016/j.jbusvent.2023.106359
  • Krammer, S., Lashitew, A., Doh, J.P., & Bapuji, H. (2022). Income Inequality, Social Cohesion and Crime Against Businesses: Evidence from a Global Sample of Firms. Journal of International Business Studies, 54, 385-400.

Frank Galgano

Frank Galgano

Professor 
Director of Sustainability Studies
Executive Director, Pennsylvania Geographical Society
Department of Geography and the Environment 
College of Liberal Arts and Sciences

If climate change is the most important problem facing the global community, then violent conflict that may be triggered by its adverse effects represents an existential threat to human security. This is the environmental security doctrine which is the focus of Frank’s research. Frank examines linkages among climate change, adaptive capacity, vulnerable populations, non-sustainable practices and violent conflict. He has published five books, three physical geography study guides, and more than 30 professional articles focused on geographic, environmental and military subjects. He recently published a new book titled The Environment-Conflict Nexus: Climate Change and the Emergent National Security Landscape (Springer, 2019), which examines the geography of global security from the perspective of climate and environmental change.

Recent publications:

  • Laughlin, A. and Galgano, F.A., 2025. Spatial and Temporal Patterns of Drought and Violence in Darfur, Sudan. African Security Review, 34 (1): 60-83. 
  • Galgano, F.A. 2024. The 1964 Jordan River Diversion Plan: Transboundary Water Basins and Conflict. Case Studies in the Environment, 8 (1): 1-18.
  • Galgano, F.A. 2024. Hostis Humani Generis: Pirates and Global Maritime Commerce. Research in Globalization, 8 (2024) 100188

Steven Goldsmith

Steven Goldsmith

Professor
Environmental Science Program Director
Department of Geography and the Environment 
College of Liberal Arts and Sciences

Steven’s current research program focuses on identifying and mitigating environmental impacts on river systems. This research employs a community-inclusive approach, where academics, regulatory agencies, NGOs, students, and/or individual residents collaborate and utilize science to understand and mitigate the impacts on freshwater systems. He has published more than 30 peer-reviewed scientific articles on the biogeochemistry of river systems in journals such as Nature Climate Change and Science of the Total Environment. He has also developed and implemented an immersive, locally based, culturally responsive research experience in urban environmental geochemistry, through an environmental justice lens, to broaden a pathway to the geosciences for underrepresented students.

Recent publications:

  • Hassebrock, J. M., Kremer, P., Seng, K. E., & Goldsmith, S. T. (2025). Long-term impacts of land cover change on nitrate export in mixed-use exurban and suburban watersheds. Science of the Total Environment, 1002, 180612.
  • Marks, N. K., Cravotta III, C. A., Rossi, M. L., Silva, C., Kremer, P., & Goldsmith, S. T. (2024). Exploring spatial and temporal symptoms of the freshwater salinization syndrome in a rural to urban watershed. Science of the Total Environment, 947, 174266.
  • Rossi, M. L., Kremer, P., Cravotta, C. A., Scheirer, K. E., & Goldsmith, S. T. (2022). Long-term impacts of impervious surface cover change and roadway deicing agent application on chloride concentrations in exurban and suburban watersheds. Science of the Total Environment, 851, 157933.

Rev. Christy Lang Hearlson

Rev. Christy Lang Hearlson

Associate Professor of Religious & Theological Education
Co-Director of The Children, Liturgy, Ecology and Renewal (CLEAR) Project
College of Liberal Arts and Sciences

Christy’s research focuses on the idea of “ecological conversion,” in which people come to understand care for the Earth and its creatures as a central feature of faith. Cross-trained in pedagogy and theology, Christy teaches an introductory theology course around the theme of water, as well as a graduate course on ecological conversion. With her colleague Dr. Tim Brunk, she co-directs The Children, Liturgy, Ecology and Renewal (CLEAR) Project, funded with a $1.25 million grant from the Lilly Endowment. The CLEAR Project gathers scholars, church leaders, educators, and musicians to create child-inclusive, ecologically sensitive resources for churches and schools.

Recent publications:

  • “,” an album produced by The CLEAR Project, with three groups of composer-musicians
  • Lang Hearlson, Christy. "" Theology Today. 2021; 78(2), 158-169. 
  • Lang Hearlson, Christy. "" Horizons. 2020;47(2):232-255.

Chris Jeffords

Chris Jeffords

Associate Teaching Professor
Department of Economics
Villanova School of Business

Chris is an environmental economist whose scholarship bridges sustainability, human well-being and the design of equitable environmental policy. His research highlights how constitutional environmental rights, governance structures and economic incentives shape real-world environmental outcomes, especially for vulnerable communities. Through empirical analysis, policy evaluation and interdisciplinary collaboration, he advances frameworks that integrate justice, resilience and sustainable resource management. Jeffords’ work informs decision-makers, strengthens public understanding of environmental rights and deepens the connection between sustainability and social welfare. His commitment to rigorous, accessible scholarship helps chart pathways toward more resilient, equitable and environmentally responsible societies.

Recent publications:

  • Catanzaro, B., & Jeffords, C. (2025). The weight of words: how constitutional environmental human rights shape emissions. Journal of Environmental Studies and Sciences, 1-19.
  • Barrett, M., Santoro, J., & Jeffords, C. (2024). Science on tap: pouring knowledge into the local community. Frontiers in Communication, 9, 1436234.
  • Jeffords, C. (2022). Fostering Pluralism in an Environmental Economics Course. Sustainability and Climate Change, 15(2), 98-103.

Peleg Kremer

Peleg Kremer

Associate Professor
Department of Geography and the Environment
College of Liberal Arts and Sciences

Peleg's research focuses on urban social-ecological systems and sustainable cities, with three interconnected themes: mapping and modeling ecosystem services, understanding urban landscape structure and ecological functions, and examining urban foodscapes and vacant land as public resources. Her work integrates geospatial analysis, environmental science, and community engagement to address environmental justice and equitable access to green infrastructure. Current projects investigate green stormwater infrastructure distribution and performance, urban air pollution disparities, community garden land security in Philadelphia, and the relationship between urban green spaces and public health outcomes. Through partnerships with municipalities and community organizations, Peleg works to ensure research findings support more equitable and sustainable urban planning and policy decisions.

Recent publications:

  • Madeline Scolio, Achira Amur, Emma Olson, Virginia Smith, Bridget Wadzuk, Kate Homet, Eric Devlin, Peleg Kremer, , Sustainable Cities and Society, Volume 130, 2025.
  • Cook, L.M., Good, K.D., Moretti, M. et al. , Urban Sustainability, 4, 12 (2024).
  • Winkler, R.L., Clark, J.A.G., Locke, D.H. et al. . Nature Cities, 1, 861–870 (2024).

Joseph Lennon

Joseph Lennon

Associate Dean, International and Interdisciplinary Initiatives
Emily C. Riley Director of Irish Studies
Co-Chair, Strategic Initiative for Climate, Justice and Sustainability
Professor, Department of English
College of Liberal Arts and Sciences

Joseph researchestheliteratures,cultures andhistoriesof Ireland and Irish America, focusing onissues of famine, hunger andsustainability. At present, heco-editsanopen-access issue of theAmerican Journal of Irish Studieson“Sustainability in Irish Culture.”The special issue includes essays on Irish theatre, literature and tourism. He studies Irish governmental cultural policy and writes onaudiencecommitment and engagementon sustainability. He haspublishedhistoriesonfamines and fasting protests in Ireland and India, and his forthcoming booktracestheprehistory of the firsthunger-strikeof theWomen’s Social and Political Unionin 1909. His scholarship crosses over into his community work withlocalIrish-Americancommunitygroupsacross the Philadelphia region.

Recent publications:

  • Marion Wallace-Dunlop and the Origins of the Hunger Strike(forthcomingSUNY UP, 2026)
  • “Sustainability in Irish Culture,”American Journal of Irish Studies(forthcomingSpring 2026)
  • “Afterword: Rabindranath Tagore and W.B. Yeats,” Tagore and Yeats: A Postcolonial Re-envisioning, eds. Elizabeth Brewer Redwine and Amrita Ghosh, Brill, 2022.

 Kabindra M. Shakya

Kabindra Shakya

Associate Professor
Department of Geography and the Environment
Colllege of Liberal Arts and Sciences

Kabin’s research focuses on outdoor and indoor air pollution, specifically particulate matter. He also studies heavy metal contamination such as lead in soils from community gardens, residences, parks and residences. His work addresses environmental justice and sustainability challenges in both developed and developing countries. He serves as an Associate Editor for Journal of Environmental Studies and Sciences and the Journal of Environmental Science and Health. He serves on the Upper Merion Environmental Advisory Council and the board of Centro de Cultura, Arts, Trabajo y Educación (CCATE), and actively collaborates with the Overbrook Environmental Education Center and Camden for Clean Air.

Recent publications:

  • McDonough, R., Shakya, K.M. (2025). Trace Metal Contamination in Community Gardens in Pittsburgh, Pennsylvania. Environments, 12(5), 159.
  • Rai, P., Gauchan, E., Pradhan, R., Shakya, K.M. (2025). Survey of Nepali doctors on the perception of climate change and health effects. The Journal of Climate Change and Health, 23, 100449.
  • Terry, B., Shakya, K.M. (2024). Monitoring gaseous pollutants using passive sampling in Philadelphia region. Journal of the Air & Waste Management Association, 74 (1), 52-69.

Virginia Smith

Virginia Smith

Associate Professor 
Civil and Environmental Engineering 
Director, Graduate Studies 
Associate Director, Villanova Center for Resilient Water Systems 
Director, Sustainable Engineering Minor 
College of Engineering

Virginia is an Associate Professor of Water Resources in the Civil and Environmental Engineering Department, whose projects have focused on urban sediment transport dynamics, sustainable stormwater management, and applying data management and artificial intelligence to water resource engineering challenges. Virginia has overseen and worked on a diverse collection of water and natural resource projects across the US and around the world, including projects in Asia, Africa, the South Pacific and Afghanistan. She has leveraged her experiences in her research focusing on rivers, floodplains, stormwater, and flooding dynamics, particularly in urban settings. 

Recent publications:

  • Scolio, M., Kremer, P., Smith, V., Amur, A., Wadzuk, B., Homet, K., Devin, E., Al Mehedi, A. & Moore, L. (2025). Delineating urban flooding when incorporating community stormwater knowledge. Environmental Research: Infrastructure and Sustainability, 5(1), 015008.
  • Cook, L. M., Good, K. D., Moretti, M., Kremer, P., Wadzuk, B., Traver, R., & Smith, V. (2024). Towards the intentional multifunctionality of urban green infrastructure: a paradox of choice?. Nature: Urban Sustainability, 4(1), 12.
  • Hosseiny, H., Nazari, F., Smith, V., & Nataraj, C. (2020). A framework for modeling flood depth using a hybrid of hydraulics and machine learning. Nature: Scientific Reports, 10(1), 8222.

Pete Watkins

Pete Watkins

Director of Teaching, Learning and Assessment
College of Professional Studies

Pete is Director of Teaching, Learning and Assessment in the College of Professional Studies. An educational psychologist by training, he is a former tenured faculty member who has worked in higher education since 2000. He has extensive teaching experience, both face-to-face and online, as well as expertise in course design, curriculum development and accreditation. He earned a bachelor's degree in psychology from the University of Pennsylvania, as well as a master's degree in social work and a PhD in educational psychology from Temple University. Pete believes that excellent teachers continually grow, develop and learn from one another.

Recent publications:

  • Watkins, P. (2021).
  • Watkins, P. (2018, February 26) 
  • Watkins, P. (2017, March 3). .

Aaron Wemhoff

Aaron Wemhoff

Professor 
Assistant Chair 
Administrative Director, Centralized Research Computing Facility
Mechanical Engineering
College of Engineering

The data center industry has expanded significantly in recent years, driven largely by advances in artificial intelligence. Because these facilities consume vast amounts of resources, predicting and mitigating their environmental impacts is critical. Aaron's research focuses on developing methods to assess greenhouse gas emissions, water footprints, and water scarcity impacts from data centers, while also evaluating strategies to reduce these burdens. He specifically examines the effectiveness of equipment cooling approaches, waste heat recovery and on-site power generation.

Recent publications:

  • Khalid R., McMullen M., Amalfi R.L., Ortega A., Wemhoff A.P. (2025). Performance Analysis of a Brazed Plate Heat Exchanger during Condensation of R1233zd(E),  Journal of Electronic Packaging, 147 (2), 021005.
  • McMullen M., Wemhoff A.P. (2024). Data Center Environmental Burden Reduction Through On-Site Renewable Power Generation, Journal of Engineering for Sustainable Buildings and Cities, 5 (2), 021001.
  • Chen, L., Wemhoff, A. P. (2023). The Sustainability Benefits of Economization in Data Centers Containing Chilled Water Systems Resources, Conservation & Recycling, 196, 107053.

Jiafeng "Harvest" Xie

Jiafeng "Harvest" Xie

Associate Professor
Department of Electrical and Computer Engineering
College of Engineering

The rapid progress in quantum computing has sparked a new wave of cryptographic innovation, namely post-quantum cryptography (PQC). Along with this line of effort, Harvest's research focuses on developing efficient PQC accelerators for hardware platforms with minimal resource usage, fast operation and sustainability (long-term considerations).

Recent publications:

  • Y. Tu and Jiafeng Xie, “EMINEM: Efficient FPGA Implementation of Mixed-RadIx NTT Hardware AccElerators for NIST Post-QuantuM Cryptography Falcon, Dilithium, and HAWK”, ACM Transactions on Reconfigurable Technology and Systems, pp. 1-25, 2025.
  • P. He, T. Bao, and Jiafeng Xie, “High-performance instruction-set hardware accelerator for Ring-Binary-LWE-based lightweight PQC,” IEEE Trans. VLSI Systems, vol. 33, no. 5, pp. 1417-1421, 2025.
  • S. Coulon, J. Xiong, and Jiafeng Xie, “LEAF: Lightweight and Efficient Hardware Accelerator for Signature Verification of FALCON,” 2025 International Conference on Computer-Aided Design (ICCAD), pp. 1-9, 2025

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