In the 1990s, New York City needed a new water filtration system to serve its nearly 8 million people. But the prospect of spending $6-10 billion on a new water treatment plant, and another $100 million on annual operating costs, ...

This series, supported by the Volvo Research and Educational Foundations, discusses walking and cycling in cities with a special focus on low- and middle-income countries. Many cities have streets that make life difficult for pedestrians in ways that are not always ...

We need nature even more these days. As more people live in cities, nature offers a potent remedy to many of the environmental, economic, and emotional challenges presented by urban living. To address this, a new approach to urbanism has ...

Over the next few decades, urban areas across the world are projected to experience exponential population growth. In the U.S., Census information shows that the largest cities, those with a population of over half a million, grew more in the ...

Welcome back to TheCityFix Picks, our series highlighting the newsy and noteworthy of the past week. Each Friday, we’ll run down the headlines falling under TheCityFix’s five themes: integrated transport, urban development and accessibility, air quality and climate change, health and ...

Welcome to “Research Recap,” our series highlighting recent reports, studies and other findings in sustainable transportation policy and practice, in case you missed it. Green Roof Benefits Green roofs are a cost-effective way to reduce storm water runoff, cool the ...