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Xianming Zhang is an Assistant Professor in the Department of Chemistry and Biochemistry at Concordia University. He co-directs the Centre for Research in Molecular Modeling and holds a cross-appointment in Geography, Planning and Environment. His research focuses on environmental sources, processes, and impacts of organic contaminants, including persistent organic pollutants (POPs), PFAS, and tire-derived chemicals. Education: BSc (Peking University), MSc & PhD (University of Toronto), Postdoc (Harvard University) His work integrates passive sampling techniques, high-resolution mass spectrometry (HRMS), and computational modeling to analyze chemical exposure, fate processes, and risk assessment. Recent studies include non-targeted screening, indoor air quality, and bioaccumulation of contaminants via fish consumption. Publications highlight his expertise in environmental modeling, pollutant monitoring, and policy-relevant research. He supervises MSc and PhD students and collaborates with institutions like the Ontario Ministry of the Environment and Environment and Climate Change Canada. He teaches courses such as CHEM 283 (Environmental Chemistry), CHEM 312 (Analytical Chemistry), and CHEM 498/650 (Environmental Fate Modeling), emphasizing sustainability integration and practical problem-solving.

• Organic Contaminants in the Environment
• Analytical Environmental Chemistry
• Environmental Modeling
• +5 more

Marianne Hatzopoulou is a Professor at the University of Toronto 's Department of Civil & Mineral Engineering , holding a Tier 1 Canada Research Chair in Transport Decarbonization and Air Quality . She leads the Transportation and Air Quality (TRAQ) research group and directs the Positive Zero Transport Futures living lab. Her work focuses on transportation-air quality-climate-public health intersections with 150+ publications. Transportation Decarbonization Urban Air Quality Modeling Climate Policy Integration Environmental Justice Data-Driven Pollution Analysis Recent research includes 2025 Symposium leadership , NSERC Brockhouse Prize (2021), and 2022 U of T Mid-Career Award . She serves as Associate Editor for Transportation Research Part D and chairs the TRB Air Quality Committee (2023-2026). Students include 13+ PhD/MASc candidates.

• Transportation Engineering
• Air Quality Modeling
• Climate Change Mitigation
• +3 more

Professor Heather MacLean is a leading academic at the Department of Civil & Mineral Engineering within the Faculty of Applied Science & Engineering at the University of Toronto . She also holds the Canada Research Chair in Sustainable Systems and Technology Assessment and serves as Vice Dean Strategy for the Faculty of Applied Science & Engineering. Current roles: Professor, Vice Dean, Canada Research Chair Key research areas: Life Cycle Assessment, Techno-Economic Modeling, Sustainable Infrastructure Her research focuses on sustainable engineering systems , particularly through life cycle assessment and techno-economic methods to evaluate energy and transportation systems. She explores technical and externality impacts of conventional and alternative technologies, with interdisciplinary connections to civil, environmental, chemical, and mechanical engineering, as well as economics and public policy. The themes of her recent publications (2008–2017) center on life cycle emissions of vehicles, biofuels , urban resilience , and carbon sequestration . These works span energy resource flows in cities, intermodal transport modeling, and emissions validation through microsimulation. She actively collaborates with public and private sectors on sustainability projects, though specific student names and lab details are not listed in the provided text. The Canada Research Chair underscores her national leadership in sustainable systems analysis.

• Life Cycle Assessment
• Techno-Economic Analysis
• Sustainable Infrastructure
• +6 more