What if your town could build a solar farm without giving up acres of valuable land? Lima, Ohio, is trying something different. The city has completed a 2-megawatt solar array that floats on the Twin ...

Researchers in Leipzig show how green roofs and rainwater management can reduce urban heat. Also: climate change, biodiversity loss and the growing threat posed by invasive species.

The International Energy Agency (IEA) is worried that city-dwelling humans are soon going to be sucking down too much power to get around. As billions of people flock to cities, tens of trillions of ...

The city is a growing paradox. Humanity needs its many efficiencies: people living more densely and taking up less land — with easy access to decarbonized public transportation — collaborating and ...

There are few experiences more soul-sucking than sitting in traffic. According to NPR, the average American lost nearly an hour a week to traffic congestion in 2022. Drivers lose an additional 17 ...

They vowed to fix water woes and save cities millions. But a Times investigation found the deals racked up debt and left many worse off than before. Defunct water meters at City Hall in Moss Point, ...