Walking is the oldest, most democratic way to get around. But as urban areas have become more sprawled, walking has slowly been suffocated by other modes of transport that are less healthy for both people and cities. Wide, congested roads ...

The Intergovernmental Panel on Climate Change’s latest report on the prospects for staying under 1.5 degrees of warming is a call to action and a warning. The world is not on track to limit dangerous temperature rise and its follow-on ...

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 ...