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. ...
European cities by and large have a sterling reputation when it comes to walkability and public transportation. Recent data compiled by Ralph Buheler, John Pucher and Alan Altshuler in the International Journal of Sustainable Transportation show that between 1989 and ...
Ice hockey isn’t the only recent addition to the desert city of Las Vegas achieving major success. Prior to the arrival of the Golden Knights, the city welcomed Uber and Lyft in 2015 and the ride-hailing companies have upended the ...
Just three years ago, dockless bike sharing was operating at a small, university-scale in China. By the end of 2017, there were more than 20 million dockless bikes in the country, generating more than $3 billion in investment. Xinhua, the ...
Most people don’t associate cities with trees, but urban areas are actually dependent on healthy forests. Trees within cities reduce heat, provide spaces for recreation and socialization, and increase property values. Nearby trees in the watersheds around cities filter drinking water and ...
Bold action on climate change could deliver $26 trillion in cumulative economic benefits by 2030, according to a new report by the New Climate Economy (NCE). Without immediate action to cut emissions, the costs of “runaway” climate change will be severe: ...
As India prepared to commemorate its 72nd Independence Day last month, the southern state of Kerala saw little reason to celebrate. The monsoon rainfall this year was heavier than normal and had reached alarming levels. On an average, districts received ...
About 3 billion people, or 40 percent of the world’s population, will need new housing by 2030. That will require constructing approximately 21 million new homes every year across the world. Several of the fastest-growing countries have ambitious goals to ...
A huge challenge for growing cities is provision of core services and infrastructure. Every time a new neighborhood crops up, services like roads, water and sanitation, education, and health centers must be extended to cover new residents. In practice, cities ...
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, ...
