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Green roofs provide multiple benefits to households and urban neighbourhoods by lowering temperatures, reducing energy costs, and reducing stormwater runoff. However, green roofs are expensive and may not be available to all residents, which raises questions about who benefits from green roofs and urban policies that support this technology. Policies to support different social groups' access to this green infrastructure is important for achieving equity. This study aims to identify and analyze to what extent existing different rooftop greening incentives and mandatory policies in three American cities, including New York, Chicago, and Philadelphia, address environmental justice. Nine policies were analyzed from three cities based on three dimensions of environmental justice. The results show that all policies have neglected a degree of distributional, recognitional, and procedural environmental justice in their policies. Although incentives try to advance distributional justice by implementing green roofs in different parts of the city, these policies do not pay enough attention to support themes such as zoning, size, rental status, land value, and affordability in all urban areas. [ABSTRACT FROM AUTHOR]