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 ...

Baltimore, like many post-industrial cities, confronts novel challenges. Once the sixth largest city in the U.S., Baltimore’s population has contracted by more than a third, resulting from a complex suite of factors including job loss, economic decline, and discriminatory policies or housing and lending practices. It’s ...

In late August, Indonesian President Joko Widodo announced that he will move the country’s capital to another island. The current capital of Jakarta is located on Java, the most populated island in the world. President Widodo’s motivation for moving is ...

What if you could send a WhatsApp message and a colorful green van would deliver free native tree seedlings directly to you? In Salvador, Brazil, the local government does just that. Painted with a picture of a biodiverse Brazilian forest, ...

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 2014, São Paulo nearly ran out of water. Schools closed, crops faltered and reservoirs were left at a tiny 5 percent of their capacity for the city and its surrounding population of 22 million. It was the worst drought in eight decades. ...