Driven to injustice? Environmental justice and vehicle pollution in Christchurch,New Zealand |
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| Institution: | 1. Department of Epidemiology, The University of North Carolina at Chapel Hill Gillings School of Global Public Health, 123 West Franklin St, Building C, Suite 410, Chapel Hill, NC, 27516, USA;2. Department of Epidemiology, Human Genetics, and Environmental Sciences, The University of Texas Health Science Center at Houston School of Public Health in Austin, 1616 Guadalupe, Suite 6.300, Austin, TX, 78701, USA;3. Department of Kinesiology and Health Education, University of Texas at Austin College of Education, 1912 Speedway, Stop D5000, Austin, TX, 78712, USA;4. Brown School, Prevention Research Center in St. Louis & Center for Diabetes Translation Research, Washington University in St. Louis, One Brookings Dr., Campus Box 1196, St. Louis, MO, 63130, USA;1. Departamento de Ingeniería Civil y Ambiental, Grupo de Sostenibilidad Urbana y Regional, SUR, Universidad de los Andes, Colombia;2. Transport and Urban Development Planning, Development Planning Unit, University College London, United Kingdom;3. Department of Civil and Environmental Engineering, Universidad del Norte, Colombia |
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| Abstract: | Exposure to an array of air pollutants varies between different social groups. This inequity is one possible explanation for the disparities in health between areas of varying socioeconomic status. However, most studies of vehicle pollution and environmental justice have relied on crude and potentially inaccurate pollution estimates. Using geographically-detailed estimates of traffic-related air pollution, the study investigates whether exposure to pollution in Christchurch, New Zealand varies significantly between areas of different socioeconomic status. The findings suggest that mean exposure to pollution is highest in the most disadvantaged areas of the city. Furthermore, areas where car ownership levels are highest tend to have relatively low levels of pollution exposure. This suggests that there are social injustices in exposure to traffic-related air pollution across neighbourhoods within the urban area of Christchurch. |
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