US cities are doing green infrastructure, but in bits and pieces. Today’s climate-driven floods require a much broader approach to create true sponge cities that are built to soak up water.

Too much pavement and old drainage systems are just two of the problems communities face.

Too much pavement and old drainage systems are just two of the problems communities face.

Too much pavement and old drainage systems are just two of the problems communities face.

Love it or hate it, the ‘Acela Corridor’ has developed a widely recognized identity thanks to the trains that link it together.

One more reason not to drive into midtown Manhattan: Soon it will cost an extra $15 as New York City launches its long-debated congestion pricing system.

A new study shows how front yards can serve as windows into the inner lives of their residents – and their feelings about their home, neighborhood and city.

Mapping where water once flowed is important for managing flood risk today in Detroit and elsewhere.

Female mosquitoes don’t want to lay their eggs alone, but they don’t want sites that are too crowded either. Understanding what guides their choice could inform new control strategies.

China has a lot of vacant retail space, including many underused shopping malls. An urban policy scholar describes how the Chinese are rethinking what the mall is for.