Asphalt is a significant source of air pollutants in urban areas, especially on hot and sunny days, researchers report.

"New Deal housing policies encouraged racial segregation and their substantial impact on American cities and towns can still be seen today."

Researchers urge more focus the environmental impact of racism, including on ecosystems, plants, and animals. They say those effects also harm human health.

A new study quantifies the effect air pollution has on human life expectancy around the world. It's not good news, researchers report.

Demolishing abandoned houses may help whole neighborhoods by getting people to do a better job maintaining their own properties, a new study shows.

In the Chinese city of Chengdu, one-third of ride-sharing might replace public transit trips.

Will the "anthropause" brought on by lockdowns make our cities greener, cleaner and quieter in future?

Hip food offerings can signal that a neighborhood is gentrifying – especially when they repackage traditional foods for wealthy white eaters.

After trying to remove street vendors from its cities for years, China is supporting them to help jump-start its economy. An urban scholar explains why other cities should do the same.

There are big gaps between urban and rural care for strokes in the US, new research shows. In remote areas, death rates are 21% higher than in cities.