The Urban Sustainability Framework (USF) is structured in two parts, along with annexes that explore the good practices of specific cities and organizations and the positive results of their initiatives. Part I: Understanding and Achieving Urban Sustainability lays out a process for,...

Achieving the Sustainable Development Goals (SDGs) over the next 30 years will critically depend upon urban land use and infrastructure development actions taken across multiple sectors (buildings, energy, transportation, water-sanitation, and waste) in global cities. Integrated urban planning...

A key reason for the existence of cities are the externalities created when people cluster together in close proximity. During Covid, such interactions came with health risks and people found other ways to interact. We document how cities changed during Covid and consider how the persistence of...

Historically coal has offered both benefits and costs to urban areas. Benefits include coal's role in fueling industry and thus employment. The primary costs are air pollution and its impact on human health. This paper starts by using a Rosen-Roback style model to examine how differences in...

The conversion of brown office buildings to green apartments can contribute towards a solution to three pressing issues: oversupply of office in a hybrid-and-remote-work world, shortage of housing, and excessive greenhouse gas emissions. We propose a set of criteria to identify commercial office...