Department of Environmental Protection

Sunoco’s Mariner East pipeline construction caused an estimated 10,000 gallons of drilling mud, or bentonite clay, to spill into Marsh Creek and Marsh Creek Lake at a state park in Chester County this week.

A Pennsylvania grand jury report wo years in the making slammed the Department of Environmental Protection for failing to protect the public from the health effects of fracking.

Pennsylvania’s Department of Environmental Protection was hoping to welcome 25 new staff members in the next fiscal year. 

Pennsylvania's Department of Environmental Protection is forecasting Thursday to be a Code Orange Air Quality Action Day for the Liberty-Clairton area. A higher than normal level of fine particulate matter is expected.

"Young children, the elderly, those with respiratory problems will be especially vulnerable," said DEP spokesperson Beth Rementer.

A damaged pipeline has prompted the Environmental Protection Agency to temporarily waive a requirement for a special, cleaner blend of gasoline in Allegheny County during summer months.

Secretary Patrick McDonnell and 19 Attorneys General signed a letter to congressional leaders urging them to block proposed cuts to the U.S. Environmental Protection Agency's budget.

While Pennsylvania officials weigh how to regulate emissions from natural gas well sites, a panel of state senators on Tuesday heard how leak detection technology is advancing and creating more jobs.

Of the 8 million vehicles registered in Pennsylvania, just 15,000 of them are electric.

Pennsylvania is halting construction permits for natural gas pipelines operated by Texas-based Energy Transfer LP, saying the company isn't fixing problems related to an explosion last year.

A Pennsylvania court said the Department of Environmental Protection unlawfully issued air-quality permits to Sunoco for its natural gas liquids plant at Marcus Hook in Delaware County, and it ordered the department to re-do its analysis over whether the plant should be subject to two sets of emissions rules.

Braddock is the latest municipality to struggle with elevated lead levels. Recent testing showed a spike above federal law. But, unlike a lot of places, the Braddock Water Authority’s pipes are likely not to blame.

State regulators have ordered the owner of a pipeline that experienced a catastrophic explosion last month to fix inadequate erosion control measures in several locations along its route.

The state Department of Environmental Protection is moving forward with plans to regulate harmful air pollution from Pennsylvania’s thousands of oil and gas sites.

The Department of Environmental Protection has released its 2017 Oil and Gas Annual Report, which revealed 2,231 oil and gas well drilling permits were issued last year; it's the first increase in activity since 2014.

Protesters gathered outside the Department of Environmental Protection's Pittsburgh office Thursday to urge the agency to deny permits to Shell Pipeline Co. to build an ethane pipeline. The 97-mile Falcon Pipeline would bring ethane to a petrochemical plant in Potter Township, Beaver County.

Pennsylvania Auditor General Eugene DePasquale said he plans to investigate if the state's child abuse hotline followed through on his office's recommendations to hire more staff. It's part of a plan announced Thursday to revisit nine previously audited state agencies.

State environmental officials have ordered three companies to plug more than 1,000 abandoned oil and gas wells.

Wells in Pennsylvania are considered abandoned when they have been inactive for more than a year. Left unattended, they can pose safety hazards or leak and contribute to greenhouse gas emissions.

Pennsylvania will use the $118 million it received in a settlement with Volkswagen to fund grants and rebates for cleaner vehicles and engines.

The money comes to the state after the German automaker programmed diesel vehicles to cheat emissions tests and reached a $14.7-billion settlement with the federal government. Most is going toward buying back vehicles and compensating owners, but some is going into a trust that divvies up the money to states.

In Pennsylvania, funds will go toward buying new engines or retrofitting old ones.

As state lawmakers prepare for budget negotiations, Governor Tom Wolf is once again trotting out a natural gas severance tax proposal in hopes of slipping it into the final deal. 

More than 20 residents and environmental advocates called for tough limits on water pollution from a coal-fired power plant northeast of Pittsburgh on Wednesday evening.

An environmental group is criticizing Pennsylvania for its high numbers of Clean Water Act violations.

Solar energy advocates want to dramatically increase the amount of electricity generated from solar panels in the state.

Austin Turner was headed back home to West Virginia on a recent afternoon from his job at the 4 West Mine in Mt. Morris, Pennsylvania. It was going to be one of his last shifts there, as the mine would be shutting down soon.

Ryan Zinke, President Trump’s Interior Secretary, came to Western Pennsylvania to tout the federal government’s abandoned mine cleanup program. It was an appropriate setting.

Pennsylvania regulators are fining Sunoco more than $12 million for problems with a massive natural gas pipeline project, but letting work resume under a consent agreement.

The Department of Environmental Protection said Thursday that Sunoco Pipeline has made changes since work on the $2.5 billion Mariner East 2 pipeline was halted Jan. 3.

The 350-mile project has been plagued by spills and leaks of drilling fluid and improper construction methods.

As the federal government nears a shutdown, frustration is mounting among federal employees tasked with overseeing the Mid-Atlantic region’s environment and energy-related programs.

The Environmental Protection Agency said Friday that it has enough money to stay open for a week in the event of a shutdown.

State environmental officials have fined a natural gas company $1.7 million for problems at well sites in Greene and Clearfield counties.

Allegheny County Controller Chelsa Wagner is once again sounding the alarm on lead levels in Pittsburgh’s drinking water.