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Consol Energy has agreed to pay $3 million to settle a claim that its Bailey coal mining complex in southwestern Pennsylvania repeatedly polluted nearby streams beyond what's permitted under federal and state law.
A new study by the U.S. Geological Survey says more data is needed to be able to say for sure if a link exists between unconventional oil and gas development and degraded water quality.
The state is out with new information about how many private drinking water wells have been contaminated due to drilling activities.
The Department of Environmental Protection has put a drilling company on notice after drinking water was contaminated by gas drilling wastewater in Westmoreland County.
Every time it rains, raw sewage overflows into our rivers and streams – and the federal government is mandating a multi-billion dollar fix to our sewer systems.
The University of Pittsburgh's Posvar Hall will become the first Pitt building to have a roof that "eats" airborne pollution.
Pittsburgh will host one of four national public hearings on the Obama administration's plan to limit carbon dioxide pollution from electric power plants.
People who live in Bellevue and Avalon have long complained about pollution from the Shenango Coke Plant on Neville Island.
Little Blue is a two-square mile lagoon containing untold tons of coal combustion waste, and folks who live nearby say it's made their lives a misery.
AGH received grant money to conduct a study to find the cause of increase asthma in children in the Pittsburgh area.
Seven of 10 members of the Neville Island Good Neighbors Working Group are quitting, saying they're frustrated that air pollution caused by a Pittsburgh-area coke plant isn't being fixed fast enough.
Local climate change experts are coming together next month to persuade Pittsburghers to begin using sustainable energy instead of non-renewable energy resources that pollute and raise the temperature of the Earth.
From the air it might look like an inviting lake, but Little Blue Run is filled with fly ash and calcium sulfate trapped at FirstEnergy's Bruce Manfield Plant seven miles away.
Every year Americans use more than 100 billion plastic bags.
A new bill introduced by State Sen. Daylin Leach could impose a two cent tax on each new plastic bag used by grocery shoppers statewide.
New research in Pennsylvania demonstrates that it's hard to nail down how often natural gas drilling is contaminating drinking water: One study found high levels of methane in some water wells within a half-mile of gas wells, while another found some serious methane pollution occurring naturally, far away from drilling.
Elderly people and anyone with respiratory issues are advised to stay indoors this weekend because of poor air quality.
One West Virginia community has found a valuable new use for a low-tech tool: A dog's nose is sniffing out the source of sewage-system leaks fouling local waterways.
Chris Moore was joined by the Professor and Chair of Environmental Health Sciences at UCLA and former CDC Atlanta employee Richard Joseph Jackson on Sunday.
The test is simple, but if you fail, it'll cost you as much as $10,000 -- potentially bankrupting many.
A citizens' group has sued a longwall mining company in southwestern Pennsylvania, claiming it is polluting key waterways - including at least one high-quality fishing stream - that feed the Monongahela River.
With all the hot weather this summer, 2012 has had 13 ozone action days so far – already more than last year's nine days, seven in 2010 and six in 2009. Breathing ozone can trigger coughing, a scratchy throat, or worse, it can aggravate asthma and emphysema.
Tomorrow's predicted heat could cause problems for certain groups of people and as a result, state environmental officials have called for an air quality action day for the Pittsburgh area.
The Department of Environmental Protection declared a code orange Air Quality Action day for Wednesday in the Pittsburgh area. This includes Allegheny, Armstrong, Beaver, Butler, Fayette, Washington and Westmoreland Counties.
Trump claimed that as part of a "golden share" ownership stake in U.S. Steel, Americans will own 51% of the company, but what that meant is unclear.
First responders initially believed they were responding to a crash, but it turned out to be a shooting.
Rain chances are back in Western Pennsylvania, and overnight flooding is the main concern.
Cubs pitcher Jameson Taillon (7-3) went 6 1/3 innings against his former team.
Shawn Cranston has been found guilty of murdering pregnant Amish woman Rebekah Byler inside her home last year, authorities said.
Trump claimed that as part of a "golden share" ownership stake in U.S. Steel, Americans will own 51% of the company, but what that meant is unclear.
First responders initially believed they were responding to a crash, but it turned out to be a shooting.
Rain chances are back in Western Pennsylvania, and overnight flooding is the main concern.
Upwards of 200,000 people are expected to attend the U.S. Open at Oakmont Country Club this week.
Cubs pitcher Jameson Taillon (7-3) went 6 1/3 innings against his former team.
Israel says preemptive airstrikes against Iran's nuclear sites are underway, and it is bracing to intercept a wave of drones launched by Iran in retaliation.
President Trump will visit Pittsburgh to attend the inaugural Pennsylvania Energy and Innovation Summit next month.
President Trump will visit Pittsburgh to attend the inaugural Pennsylvania Energy and Innovation Summit next month.
"No Kings" protests are planned across the Pittsburgh area on Saturday.
U.S. officials have been told Israel is fully ready to launch an operation into Iran, multiple sources say.
As the company looks for a buyer after declaring bankruptcy, a lawsuit is seeking to block the sale of sensitive, personal data.
As the uncertainty surrounding tariffs continues in Washington, price increases could be coming.
A woman in Ross Township said her electric bills do not make sense.
After announcing the initial 30 locations, Giant Eagle announced 17 more across western Pennsylvania.
A Pittsburgh-area woman wants to warn others about what she calls a very concerning scam phone call.
Pittsburgh Magazine's Sean Collier has a look at what's going on around town this weekend.
Rachael Rennebeck from YaJagoff joins Heather and David with some Pittsburgh-unique gifts for your Yinzer Dad this Father's Day!
You might have noticed a hanger on your door from Duquesne Light Company, and it's likely because they're in the area trimming trees to keep them off of your power lines. PTL's Katie O'Malley talks with DLC's Jeremy Didner about the work they're doing.
It's a fresh, new twist on floral fun for your wedding! Team PTL's Daisy Jade continues PTL Wedding Week with Pink Corner Florals who offer a "Build Your Own Flower Bar!"
You've got the invite, you've RSVPed yes, but the dress code for that summer wedding can come with a lot of pressure. As part of PTL Wedding Week, Heather and David are joined by local fashion influencer Chile Xandria to help you dress to impress.
A woman in Ross Township said her electric bills do not make sense.
County coroners say that dozens of remains go unclaimed every year, and the numbers appear to be increasing.
A growing sinkhole outside a home on Pittsburgh's North Side is causing problems for one homeowner.
South Side business leaders say crime is down, but the number of vacant storefronts on East Carson Street is growing.
Jeannette would like to breathe life back into its downtown but says out-of-state real estate speculators are standing in the way.
We spoke with Dr. Becky Clarkson and Dr. Cynthia Conklin about the connection between the brain and the bladder.
A new study published by University of Pittsburgh researchers is offering solutions.
The show's creators, stars and producers are dedicated to real-world accuracy.
The Health and Human Services secretary said he is "retiring" all 17 members of the Advisory Committee for Immunization Practices, which helps set recommendations for vaccines.
AHN is warning that most Cigna members won't have in-network access to its physicians and facilities unless a new agreement can be reached.
Cubs pitcher Jameson Taillon (7-3) went 6 1/3 innings against his former team.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
According to a warrant, Antonio Brown is accused of firing two shots during an altercation outside a venue in the Little Haiti neighborhood on May 16.
Only 10 players out of the 156 in the field finished their first round below par.
For one Pittsburgher on Thursday at Oakmont Country Club, it was a return to one of his biggest memories.
Trump claimed that as part of a "golden share" ownership stake in U.S. Steel, Americans will own 51% of the company, but what that meant is unclear.
With the convenience of online shopping and delivery, one industry that's gotten hit the hardest is that of the shopping mall.
Amazon says it will spend $20 billion on two data center complexes in Pennsylvania, including one it is building alongside a nuclear power plant that has drawn federal scrutiny.
Due to construction ahead of the NFL Draft Downtown, organizers were forced to find a new home for the festival.
Federal authorities are moving to drop a racial discrimination lawsuit against the Sheetz convenience store chain, part of a broader effort by the Trump administration to halt the use of a key tool for enforcing the country's civil rights laws.
May Pang has brought a rare collection of candid photos of John Lennon to Sharpsburg.
Brian Wilson was one of the world's most influential recording artists.
Vintage machines are gaining popularity, driven by a wave of support from celebrities like Taylor Swift and Tom Hanks.
Aaron Rodgers said after his first practice with the Pittsburgh Steelers that he got married "a couple months ago."
The show's creators, stars and producers are dedicated to real-world accuracy.
When asked for more details about the deal between U.S. Steel and Nippon, the president said that America would have a 51% share in the company.
A man was found shot and killed inside a crashed car in East McKeesport overnight and now Allegheny County Police are investigating. KDKA's Jessica Riley has the latest.
Get the latest weather updates with meteorologist Ron Smiley’s forecast!
Homicide charges have been filed in a shooting that left a woman dead in Pittsburgh's Crafton Heights neighborhood earlier this month.
Stay on top of local weather with First Alert Meteorologist Mary Ours' forecast!
The 125th playing of the U.S. Open got underway Thursday morning at Oakmont Country Club.
The best golfers in the world are at Oakmont Country Club preparing for the U.S. Open.
The U.S. Open is underway at Oakmont Country Club, and even the newborns at a Pittsburgh hospital are excited.
More than 500,000 items will be available at the main merchandise pavilion at the U.S. Open next week at Oakmont Country Club.
A suspect was taken into custody after an attack on Pearl Street Mall in Boulder on June 1 in which there were 15 people and a dog who were victims. The suspect threw Molotov cocktails that burned some of the victims, who were part of a march for Israeli hostages.
