News

Recent papers, talks, grants, and lab updates.

Short, dated entries about new papers, talks, grants, and lab activity. Older items roll off the front page but stay on this list. For full coverage of conference activity, see the CV.

2026

Apr 2026 · AAG San Francisco

Three Kremer-lab papers at the AAG annual meeting:

  • Cultivating Data: The Philadelphia Garden Data Collaborative’s Approach to Urban Garden Preservation (Kremer, Borowiak, Scolio).
  • Measuring Community Garden Security: A Study of Philadelphia’s Community Gardens (Scolio, Kremer, Borowiak).
  • An Exploration of the Intersection of PM2.5 Air Pollution, Social Vulnerability, and Chronic Disease Across 500 US Cities (Myers, Kremer, Zhang, Shakya, Henderson).

Mar 2026 · Ecological Informatics

Kremer, P., Weaver, D., Stewart, J. D. (2026). Sensitivity of urban structure-temperature relationships to grid parameterization. Ecological Informatics, 93, 103587. DOI

Mar 2026 · NSF HEGS ad hoc review

Provided an NSF Human-Environment and Geographical Sciences ad hoc review.

2025

Oct 2025 · Roots at Risk

Two WPF Webinar Series talks with Craig Borowiak on the security of Philadelphia urban gardens. Watch the webinar.

Jul 2025 · Associate Editor, Sustainable Cities and Society

Began as Associate Editor of Sustainable Cities and Society, responsible for editorial process on 3 to 5 papers per week.

May 2025 · William Penn Foundation grant

“Beyond Land Precarity: Building a Garden Database and Platform to Support Philadelphia Growers” funded, 2025 – 2027 (PI with Borowiak, Co-PI).

2025 · Several papers in print

Six peer-reviewed papers in 2025 covering urban flooding, GSI, SAR remote sensing, salinization, and air pollution:

  • Hassebrock, J. M., Kremer, P., Seng, K. E., Goldsmith, S. T. Long-term impacts of land cover change on nitrate export in mixed-use exurban and suburban watersheds. Science of The Total Environment. DOI
  • Al Mehedi, M. A., Smith, V., Kremer, P. A comparative analysis of urban and peri-urban flood identification using SAR imagery. PLOS Water. DOI
  • Scolio, M., Amur, A., Olson, E., Smith, V., Wadzuk, B., Homet, K., Devlin, E., Kremer, P. Reconceptualizing urban flood modeling: toward intersectional and equitable urban flood risk planning. Sustainable Cities and Society. DOI
  • Good, K., Robert, E., Kremer, P., Wang, Y., Wilson, J. M. Subbasin-level discharge-intake flow index to assess potential iodine point source discharges upstream of surface drinking water sources. Discover Water. Link
  • Scolio, M., Kremer, P., Smith, V., Amur, A., Wadzuk, B., Homet, K., Devlin, E., Al Mehedi, M. A., Moore, L. Delineating urban flooding when incorporating community stormwater knowledge. Environmental Research: Infrastructure and Sustainability. DOI
  • Terry, B., Kremer, P., Goldsmith, S. T., Shakya, K. M. Land use regression model to predict nitrogen dioxide in the greater Philadelphia area. Atmospheric Pollution Research. DOI

2024

Dec 2024 · Multiple AGU 2024 presentations

Eight Kremer-lab presentations at AGU 2024 in Washington, DC, covering GSI, flooding, mobility, air pollution, and watershed contamination.

Dec 2024 · Nature Cities

Winkler, Clark, Locke, Kremer, Aronson, Hoover, Joo, La Rosa, Lee, Lerman, Pearsall, Vargo, Nilon, Lepczyk (2024). Unequal access to social, environmental and health amenities in US urban parks. Nature Cities, 1(12), 861-870. DOI

Sep 2024 · WRA Award

WRA Innovation and Collaboration – Research Award, Water Resources Association of the Delaware River Basin.

Aug 2024 · NSF SCC-IRG Track 1 funded

Co-PI with Smith (PI), Jiao, Wadzuk, plus extended team. 2024 – 2028.

Aug 2024 · NSF DISES funded

Co-PI with Ermagun, Xiong (Co-PIs), Smith, Levy, Wadzuk. 2024 – 2028.

Jul 2024 · Invited seminar, Technion

“Pathways to Sustainable Urban Planning,” Town and Urban Planning, Technion, Haifa.

Jun 2024 · Invited seminar, Humboldt University

“Pathways to Sustainable Urban Planning: Environmental Justice in Urban Social-Ecological Systems,” Geographic Institute, Humboldt University, Berlin.

2024 · Multiple papers in print

Eight peer-reviewed papers in 2024:

  • Joo, H. E., Clark, J. A., Kremer, P., Aronson, M. F. Socio-environmental drivers of human-nature interactions in urban green spaces. Urban Ecosystems. DOI
  • Marks, N. K., Cravotta, C. A., Rossi, M. L., Silva, C., Kremer, P., Goldsmith, S. T. Exploring spatial and temporal symptoms of the freshwater salinization syndrome in a rural to urban watershed. Science of The Total Environment. DOI
  • Lee, K., Aronson, M. F. J., Clark, J. A. G., Hoover, F.-A., Joo, H. E., Kremer, P., La Rosa, D., Larson, K. L., Lepczyk, C. A., Lerman, S. B., Locke, D. H., Nilon, C. H., Pearsall, H., Vargo, T. L. V. Limitations of existing park quality instruments and suggestions for future research. Landscape and Urban Planning. DOI
  • Scolio, M., Bohra, C., Kremer, P., Shakya, K. M. Spatial analysis of intra-urban air pollution disparities through an environmental justice lens: a case study of Philadelphia, PA. Atmosphere. DOI
  • Scolio, M., Kremer, P., Zhang, Y., Shakya, K. M. Spatial-temporal modeling of the relationship between surface temperature and air temperature in metropolitan urban systems. Urban Climate. DOI
  • Jezycki, K. E., Rodriguez, E., Craft, C. B., Neubauer, S. C., Morris, J. T., Goldsmith, S. T., Kremer, P., Weston, N. B. Metal accumulation in salt marsh soils along the East Coast of the United States. Science of The Total Environment. DOI
  • Cook, L. M., Good, K. D., Moretti, M., Kremer, P., Wadzuk, B., Traver, R., Smith, V. Towards the intentional multifunctionality of urban green infrastructure: a paradox of choice? npj Urban Sustainability. DOI

2023

May 2023 · Outstanding Faculty Mentor Award

Awarded the Villanova Outstanding Faculty Mentor Teaching Award.