2025

- New Resource Sheet Provides Methods to Help Researchers Understand Residential Segregation
  
  December 08, 2025
  
  The UHC's Research & Data Core has developed a resource to help researchers better understand measurement options for measuring the clustering and concentration of different groups of residents. It presents several measures related to residential segregation, their formulas (with key references), and examples of existing empirical evidence that uses each measure.
  
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- Philadephia Awoke Again To Another Tragic Pedestrian Death
  
  December 08, 2025
  
  In less than a week, two pedestrians were killed on an 8-block stretch in University City in Philadelphia. These deaths, both due to drivers speeding and ignoring red lights, highlight the major road safety issues Philadelphians face when walking. What’s more, both these incidents took place on our doorstep – literally – at the Urban Health Collaborative.
  
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- A Letter From COP30
  
  November 25, 2025
  
  Last week, UHC Director Ana Diez Roux travelled to the 2025 Climate Conference of the Parties (COP30) in Belém, Brazil, to present on behalf of SALURBAL. Read into her experience attending the event and the weight of it being held in a region like the Amazon.
  
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- Innovations in Urban Health Research on Display at This Year’s UHC Day
  
  November 20, 2025
  
  On November 12th, the Urban Health Collaborative (UHC) at the Drexel Dornsife School of Public Health hosted its annual poster day and open house, UHC Day. Over 85 people gathered to take part in an exposition that celebrates the work going on across the UHC in research, policy, community engagement, training, and other areas.
  
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- UHC Directors Call for Bold Steps Toward Urban Health Equity in Nature Medicine
  
  November 12, 2025
  
  In a recent paper in Nature Medicine, Co-Directors of the Urban Health Collaborative, Ana Diez Roux, MD, PhD, MPH, and Usama Bilal, MD, PhD, MPH, provided a detailed examination of the future of urban health research, highlighting the necessary steps to improve health equity in a rapidly urbanizing world.
  
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- Discussing the Future of Urban Health: The 2025 Urban Health Symposium
  
  September 18, 2025
  
  For the first time in six years, one of the Urban Health Collaborative (UHC)’s signature events, the Urban Health Symposium, gathers in Philadelphia, Pennsylvania – happening this year from September 4th-5th. The title of the 2025 Symposium, “Healthy Cities for the Next Decade: A Call to Action,” shapes the spirit and goals of the event – collaboration and proactivity, even through times of uncertainty.
  
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- UHC Researchers and Trainees Lead Symposium at ISEE 2025 Conference
  
  September 17, 2025
  
  A team of researchers connected to the Urban Health Collaborative (UHC), including trainees and investigators from Brazil, Mexico and the U.S., attended the Joint Annual meeting of the International Society of Exposure Science and the International Society for Environmental Epidemiology 2025 Conference.
  
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- Urban Health Collaborative Welcomes New Fellows
  
  September 16, 2025
  
  We're pleased to announce the new awardees of the 2025-6 UHC Master’s, Doctoral, and Urban Epidemiology Fellows programs.
  
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- UHC Faculty and Affiliates Featured in Latest Exel Magazine
  
  September 16, 2025
  
  Drexel University’s biennial magazine, spotlighting innovative research carried out across the school, was recently published for 2025. We’re honored to have the work of UHC faculty and affiliates highlighted in this issue.
  
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- The Urban Overdose Crisis Eased in 2023 – But Not for Black and Native American Communities
  
  August 26, 2025
  
  New data from 35 large cities that comprise the Big Cities Health Coalition suggest that — in the population as a whole — overdose rates were relatively stable in 2022 and 2023 after 12 years of exponential growth.
  
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