Where are the largest cities in the world?
The number of people who live in a city is surprisingly hard to work out. That's partly because populations shift…
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South America
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South America
A concrete opportunity: Is it time to switch from the construction staple?
With self-healing concrete expected to become a more integral part of urban construction schemes, this much-maligned material could have a…
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The effort to decontaminate the Bogotá River, both physically and politically
The once-sacred tributary receives about 690 tonnes of pollutants daily. Investment, oversight and massive anti-corruption efforts will be required to…
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Will anyone want to host the next Olympics?
Over and over again, the conflicts between the short-term needs of mega-events and the long-term needs of the cities that…
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Bogotá wants to get more women on bikes
Cycling is popular in Colombia, but women in the capital say there are several reasons why they don't regularly commute…
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A Brazilian favela is combating Covid through community
Distrustful of the government's pandemic response, residents took matters into their own hands.
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In Medellín, a museum takes an essential role in the city’s pandemic response
Museo Casa de la Memoria is leaning into its ability to transmit complex information in a simple, factual way while…
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Slums are becoming a focal point of the Covid-19 outbreak
The coronavirus poses a special threat to these poor, dense, underserved communities.
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