By Guillaume Lessard
Two major challenges to sustainable urbanization in North America are the environmental, social and economic impacts of urban sprawl, and the growing socio-economic inequalities associated with housing and mobility. Several government policies and programs address these issues. However, depending on how they are implemented, interventions in these sectors can lead to the reinforcement of structural and cultural barriers specific to urban sprawl, as well as the exacerbation of pre-existing socio-economic inequalities.