Miami-Dade County plans to fit businesses with water meters, research sustainable technologies and create a startup-in-residence program.

The proposed city of Telosa could be a meaningful advance for planned communities in the United States.

The accelerator will help companies focused on air quality, water quality, cleaning-product delivery and energy-use cut through red tape and build their businesses in New York City.

Five cities will win a year’s worth of assistance and advising from a network of urban technology experts.

Companies are being asked to apply to pilot solutions through 2020 that can reduce emissions, improve traffic or make the city's waste systems more efficient.

"Ecolabels" like the Green Electronics Council's EPEAT are encouraging sustainable buying in governments that can exert outsized influence on the environment.

The Texas city is investing heavily in green energy sources and technologies in the wake of the Trump administration's decision to back out of the Paris climate…

To reduce carbon emissions, conserve water and cut energy consumption, Austin's Office of Sustainability pushes metrics through a new open data dashboard.