Her primary research is in the areas of environmental policy and political theory and focuses on issues of valuation, justification, and participation in contemporary approaches to policy analysis and administrative rulemaking. For the South Side Initiative, Breena is currently involved in two projects related to environmental justice in the South Bethlehem community. First, she is directing the Community Gardens Working Group, which manages and runs projects involving the six community gardens on Bethlehem's south side. Second, she is leading the Asthma and Air Pollution Mapping Project, which carries out collaborative air monitoring research in order to identify and promote the use of pedestrian routes through the city of Bethlehem that minimize exposure to traffic-related air pollution.