Doomsday clock hits 90 seconds to midnight
The Bulletin of Atomic Scientists warns that "unprecedented danger" has pushed the world closer than ever to catastrophe: "We are on the brink of a precipice."
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The Bulletin of Atomic Scientists warns that "unprecedented danger" has pushed the world closer than ever to catastrophe: "We are on the brink of a precipice."
It's one of the most powerful forces warming the Earth, leading to increasingly severe droughts, wildfires and floods. It's also invisible. So how do we start seeing carbon?
Renewable sources of energy will account for 24% of the nation's energy in 2023, more than double what it was a decade ago.
Renewable sources of energy will account for 24% of the nation's energy in 2023, more than double what it was a decade ago; On The Dot reporter David Schechter explains
Leading biologist tells Scott Pelley humans would need "five more Earths" to maintain our current way of life.
People think a lot of things are the same, that includes weather and climate, but as Ray Petelin explains, they are not the same thing.
Secretary-General Antonio Guterres told the COP27 climate summit in Egypt nations must "cooperate or perish."
Global dignities and innovators like Bill Gates are in Pittsburgh over the next couple of days to combat climate change.
The agreement will focus on climate technologies, economic opportunities, and administration exchanges.
The package, passed with no Republican votes, could be read largely as an effort to help West Virginia look to the future.
"There is no speculation here whatsoever," the study's lead author said. "These are things that have already happened."
The initiative is the centerpiece of Governor Wolf's plan to fight global warming.
While it's a big victory for Wolf, it could be short-lived.
In the final segment of our Earth 365 series, Ray Petelin explores the question.
In the final part of our Earth 365, Ray Petelin explores why we've seen such an increase in landslides over the past few years.
There's a tree giveaway happening in Westmoreland County this Earth Day.
As our climate is changing, so is the curriculum taught in schools.
As our climate is changing, so is the curriculum taught in schools.
Farming in western Pennsylvania certainly has its challenges.
Farming in western Pennsylvania certainly has its challenges.
In all, more than 50 million Americans suffer from some type of allergy.
The Oakmont Carnegie Library remains closed as cleanup efforts turn into repairs.
Pittsburgh Public Works crews spent part of Tuesday cleaning up a mess in the city's Manchester neighborhood after a massive tree came down.
Nearly 80 children reported missing in Ohio were found during a statewide operation, the U.S. Marshals Service said.
A woman in Lebanon County was scammed out of more than $300,000 in an online romance scheme.
Jerry Sandusky was scheduled to appear in court remotely for a hearing on a claim that an accuser would recant allegations that Sandusky sexually abused him.
Jerry Sandusky was scheduled to appear in court remotely for a hearing on a claim that an accuser would recant allegations that Sandusky sexually abused him.
A Pittsburgh-area mother is sharing her story after she says her daughter was exposed to measles at UPMC Children's Hospital.
Nearly 80 children reported missing in Ohio were found during a statewide operation, the U.S. Marshals Service said.
The Oakmont Carnegie Library remains closed as cleanup efforts turn into repairs.
Pittsburgh Public Works crews spent part of Tuesday cleaning up a mess in the city's Manchester neighborhood after a massive tree came down.
Congressman Chris Deluzio says he's thinking about running against Sen. John Fetterman in the 2028 Democratic primary in Pennsylvania.
In less than two weeks, the high-energy laser weapon system has taken down 11 drones, coinciding with a 75% drop in drones probing the border, military officials told CBS News.
The suspect "aggressively shoved his way through the crowd" toward Amy Acton, Mahoning County Sheriff Jerry Greene told CBS News.
A former staffer confirmed that Sen. John Fetterman has routinely dismissed and at times refused to do core aspects of the job.
Lawmakers could also vote on condemning socialism and censuring GOP Rep. Chuck Edwards.
It seems like each week we get a new story or warning about a scam over the phone or on the internet. Here's how you can avoid them.
With proposed 50% tariffs on the table, the cost of new and used cars could increase by thousands in the near future.
A new report tries to calculate how much Pennsylvanians need to earn to live what's considered a comfortable lifestyle.
The store is expected to open sometime next year.
Buffalo Township police are warning about scammers after investigating several cases where residents have fallen victim.
Flatland Cavalry is opening for country artist Kasey Musgraves at PPG Paints Arena on Sept. 8.
Over 100 local and national fine artists will be featured at this year's "A Fair in the Park," taking place from Sept. 11-13, 2026.
David and Heather guess the value of three items chosen from the PTL mailbox.
Daisy Jade travels to the Heinz History Center to see the new lifelike historical figures added to the World War II section.
David and Heather talk about their Labor Day weekends and taste chicken-flavored Oreos!
The Steel City Youth Football League announced disciplinary action following video that captured an on-field brawl.
Misdemeanor and summary charges have been filed against the coaches involved in a youth football brawl in Pittsburgh.
Police departments all around the country say surveillance technologies like cameras, drones, and license plate readers have proved invaluable in tracking and arresting violent criminals.
Video shows youth football coaches from Carlynton and Keystone Oaks fighting on the field during a game over the weekend.
Police public safety services are being questioned in Forward Township.
A Pittsburgh-area mother is sharing her story after she says her daughter was exposed to measles at UPMC Children's Hospital.
Pennsylvania health officials said an out-of-state person tested positive for measles and may have exposed others at a Pennsylvania Turnpike service plaza in Westmoreland County.
Pennsylvania health officials say two people who had measles died in the state, but Health Secretary Robert F. Kennedy Jr. is questioning that.
UPMC is taking another step to help Pittsburgh's first responders better protect our community.
For the first time since 1991, Pennsylvania has recorded its first two deaths connected to measles.
Jerry Sandusky was scheduled to appear in court remotely for a hearing on a claim that an accuser would recant allegations that Sandusky sexually abused him.
The Pittsburgh Penguins are partnering with Pittsburgh Public Schools to give every student two free tickets to upcoming preseason games.
Paul Skenes pitched 5 1/3 scoreless innings for his first win since July 19 to lead the Pirates over the Angels 1-0.
Yusei Kikuchi pitched six scoreless innings and earned his first win of the season as the Los Angeles Angels beat the Pirates 6-1 on Saturday.
Rocco Becht threw for 271 yards with four touchdowns and No. 18 Penn State beat Marshall 45-0 to begin the Matt Campbell era.
Many small businesses are still feeling the impact of last week's severe weather.
Pittsburgh leaders and their partners are making a concerted effort to revitalize a North Side business district.
A federally funded Ohio manufacturing program faces potential shutdown after a new audit by the U.S. Department of Commerce's Office of Inspector General.
Gas station giant Buc-ee's has sparked a backlash in Ohio over one of its frequent trademark infringement lawsuits.
The international fashion retailer Zara will open a location in Ross Park Mall in 2028, as the mall continues to thrive.
A show coming to The Palace Theatre in Greensburg looks to pay tribute to Dolly Parton.
Tim Curry was known for his iconic performances in cult classics like "The Rocky Horror Picture Show" and the original screen adaptation of Stephen King's "It."
Pittsburghers are remembering Dolly Parton as "one of a kind" following her death on Tuesday.
Dolly Parton became an icon over her six-decade career as a Grammy-winning singer-songwriter, movie and TV star and theme park owner who donated millions to help others.
Bret Michaels is taking a break from touring to recover from recent surgeries.
The first day of school arrived in Monessen on Tuesday, but not every student was back in the classroom.
The storm that left so much devastation last week continues to have people cleaning up. The Oakmont Carnegie Library is still closed as their cleanup efforts turn into repairs. KDKA-TV's Chris Hoffman reports.
Pittsburgh Public Works crews spent part of Tuesday cleaning up a mess in the city's Manchester neighborhood after a massive tree came down. KDKA-TV's Ross Guidotti reports.
Youth sports can teach kids teamwork, discipline and how to handle a win or a tough loss. But these days, parents may also be learning a few lessons of their own, like just how quickly a little league can lead to a very big bill! And beyond the money, there can be pressure on kids to perform and parents to keep up.
It's Sourdough September and we're taking this baking trend beyond the bread loaf. Sourdough has been having a major moment, but there's more you can do with it than just slice it, toast it and slather it with butter. The owner of Sour Power Bakery is showing us how she's turning sourdough into something sweet and special!
Mike Tomlin stepped down as head coach of the Pittsburgh Steelers after 19 seasons with the team.
Pitt's regular season has ended with an 8-4 record.
Pitt's five-game winning streak came to an end with a 37-15 loss to Notre Dame.
Mason Heintschel set a new Pitt freshman single-game passing record in the Pitt win at Acrisure Stadium.
The 44th annual KDKA-TV Turkey Fund will help our neighbors in need have a nice meal for Thanksgiving.
