Energy

The city of Philadelphia plans to fulfill 22 percent of its energy demand with solar power.

Federal judge grants eminent domain in New Jersey, but pipeline company must still meet many environmental standards.

Technology is seen as key to lessening the effects of climate change.

The investigation followed the gas pipeline explosion in 2010 that incinerated a neighborhood in San Bruno, just south of San Francisco.

Investigators propose a ‘remaining life study’ for the aging pipeline.

The blast happened shortly after 6 p.m. at MarkWest’s Houston Processing and Fractionation Facility at 800 Western Avenue in Chartiers Township.

The judges cited Dr. Seuss' The Lorax: "We trust the United States Forest Service to 'speak for the trees, for the trees have no tongues.'"

The PennEast Pipeline Co. can take private land through eminent domain to build a natural gas pipeline, a New Jersey federal judge ruled on Friday.

Pennsylvania environmental officials have come out with a plan to reduce leaks from thousands of the state’s oil and gas wells.

A bipartisan group of federal legislators is opposing the Trump administration's recent decision to permit seismic airgun surveying off the Eastern seaboard. 

A suit brought by seven residents fails on all four requirements.

Company says ruling will allow it to complete surveys. New Jersey landowners await ruling from different judge

Contractors were struck by equipment.

Wolf spoke Friday morning at the Governor’s Residence with Scott LaMar, host of WITF’s Smart Talk.

A flammable vapor cloud could spread as far as 1.3 miles downwind of a rupture, a consultant says.