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

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.

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.

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.

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.

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.

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

President Joe Biden announced Sunday that he is ending his reelection campaign. “He worked hand in hand with us to deliver some of the most consequential legislation for cities,” one mayor said.

House Republicans set out their priorities for transportation funding but acknowledge that the November election’s outcome will likely decide future spending.

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.