Q&A: Urban doom loop—what it is and how cities can stop it

Recent images of downtown San Francisco—emptied of office workers now dialing in remote and filled with wandering homeless people—has struck fear for the future of urban areas. A Columbia University professor coined the ...

Developing a 3D liquefaction hazard map

Korea Institute of Civil Engineering and Building Technology has successfully developed a "three-dimensional liquefaction hazard map" that visually presents ground liquefaction forecasts in the event of an earthquake.

Low-cost device can measure air pollution anywhere

Air pollution is a major public health problem: The World Health Organization has estimated that it leads to over 4 million premature deaths worldwide annually. Still, it is not always extensively measured. But now an MIT ...

Conspiracy theories on '15-minute cities' flourish

Urban planners are fending off abuse fuelled by conspiracy theories about their "15-minute city" regeneration projects which suspicious social media users claim are the road to "climate lockdowns".

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