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Deploying carbon dioxide removal options at the urban scale could not only make a substantial contribution to the global mitigation of climate change but could also have large potential mitigation and adaptation co-benefits. However, upscaling at the global scale is constrained by numerous uncertainties, economic barriers and governance issues.
This study unveils the driving forces behind changes in racial segregation in the USA from 1990–2020 by linking it to population shifts in specific racial groups. We developed a decomposition method to illuminate the specific contributions of residential mobility and other demographic dynamics of each population group to urban segregation.
Based on an analysis of mobile-phone data, students experience greater income-based and racial isolation than adults, and this gap is largest in the biggest metropolitan areas. Students also experience less urban mobility than adults. Yet, differences between students at different levels of income are even greater than those between students and adults.
