A pump system, designed in the 1970s, lost power during Hurricane Ida. But it didn't have much of a chance to begin with.

Vicinity Energy, which operates Philadelphia’s steam loop system, is now battling with PGW, another century-old institution, over its Center City customers.

It has been one year since the remnants of Hurricane Ida battered Philadelphia, Montgomery, Chester, Delaware, and Bucks counties with historic rainfall and strong winds.

Philly is one of 14 cities and counties across the country chosen by a federal agency to collect heat data this summer, in an annual citizen science project.

Desalination is a solution for cities on the coast that are running out of freshwater sources—but the process can turn out to be more than cities bargained for.

The Atlantic surfclam industry generates ~$30M in yearly revenue. But a study shows offshore wind development planned for the Jersey coast could cut that income up to 25%.

Penn America Energy wants to construct a massive LNG export terminal in the city of Chester along the Delaware River. The plan faces an uphill battle.

Climate change is causing fish species to travel in search of suitable temperatures, and it’s impacting the marine food web, a Rutgers study finds.

New Jersey wants to cut its greenhouse gas emissions by 50% by 2030. Environmentalists warn that goal could be derailed by new natural gas projects.

Philadelphia’s decarbonization goals run right up against PGW, the gas utility it owns. Some say the solution lies below the city.