All cities have gone through the ebb and flow of social distancing and lockdowns, with regulations repealed as cases decline and hurriedly re-imposed when cases return. But few urban residents likely ...

Trees in urban areas can lower residents' blood pressure, reduce stress and contribute to an overall sense of well-being. But did you know they can also save cities money? In the world's megacities, ...

NEW YORK, May 9, 2010 — -- On a teeming street in Mumbai's Dharavi slum, amid a colorful swirl of sweet lime carts and red-clay pottery, Pastor Bala Singh brings an assortment of buckets to ...

While only about 3% of the world’s land area is covered by urban areas, cities account for around 70% of worldwide CO2 emissions, about two-thirds of global energy demand, and about 80% of global GDP.

The world’s population is rapidly moving into city centers; by 2050, seven out of every 10 people on Earth will live in a city. But not every city will be a megacity–defined as an urban area with over ...

It’s easy in America to think of trains with lots of nostalgia and little else. We are so firmly grounded in the culture of cars that when we envision our future of transportation, we can’t see the ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The world is experiencing a megacity boom. According to the United ...

Rapid urbanization is one of the major forces shaping our global economic future. A century ago, it was almost unfathomable that any person would want to live in a city with 10 million other people, ...

Our colleagues at Small Wars Journal have published an anthology on urban warfare and urban operation in urban areas and megacities: Blood and Concrete: 21st Century Conflict in Urban Centers and ...

Reducing emissions in a few of the world’s most populous cities could have an outsized impact on climate change. In 2050, 2.5 billion more people will live in cities than do today. As the world grows ...

HONOLULU, Hawaii -- In one city block, future Soldiers could find themselves in an intense gunfight with enemy militants. In another, Soldiers might crawl through debris to rescue trapped residents or ...