The Massachusetts Bay Transportation Authority estimates the new trains will mitigate 17,700 tons of carbon dioxide emissions annually compared with diesel trains.

A judge allowed the state to move ahead with its lawsuit, marking the latest victory for states and local governments looking to hold Big Oil accountable for climate change.

Currently, trains must slow to 90 mph when crossing the 118-year-old Susquehanna bridge. After the $2.7 billion project is done, they will be able to reach 160 mph.

The city is turning wood waste into material that can be sold. Other cities are eyeing the approach, said the co-founder of the company Philadelphia is partnering with.

Philanthropies are not "a gilded ATM machine that you can access if you figure out the code," CEO Rip Rapson said. "Just try to understand them." ...

Local and regional governments in the ICLEI network are planning and implementing ambitious zero emission, nature-based, equitable, resilient and circular communities around the world.

LA officials are closely watching how Paris enables visitors, athletes and commuters to get around, as Los Angeles gears up to host the event in four years.

Researchers at the University of California, San Francisco, pointed to a need for better bike lanes, law enforcement and specific intervention strategies in high-use areas.

U.S. cities are turning to performance-based standards to meet climate goals after traditional energy-efficiency mandates fell short, a JLL report says.

It’s not too late for other local governments to apply to the federal Community Change grants program, with the U.S. Environmental Protection Agency accepting submissions into November.

The New York Metropolitan Transportation Authority’s operating budget could take more than an $800 million hit beginning next year as a result of the indefinite halt placed on the state’s congestion ...

Communities looking to improve energy efficiency in low-income residential buildings can now access a total of $36 million in grants through the U.S. Department of Energy. Successful grant projects ...