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."
Watch CBS News
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.
Actor Michael Keaton was roasted before receiving the 2026 Man of the Year by Harvard University's Hasty Pudding Theatricals.
The teen driver who was killed in a crash in Juniata County, Pennsylvania, while on a FaceTime call with a friend was identified as Charles Raffensberger III.
Junior Achievement of Western Pennsylvania has honored outstanding young people in the area through its "18 Under Eighteen" program.
An 18-year-old young man from Pittsburgh was killed and nine others were injured after a massive pileup on Interstate 79.
The Blairsville Underground Railroad Museum shares the stories of slavery, the Civil War, Reconstruction and beyond
Actor Michael Keaton was roasted before receiving the 2026 Man of the Year by Harvard University's Hasty Pudding Theatricals.
The teen driver who was killed in a crash in Juniata County, Pennsylvania, while on a FaceTime call with a friend was identified as Charles Raffensberger III.
Junior Achievement of Western Pennsylvania has honored outstanding young people in the area through its "18 Under Eighteen" program.
An 18-year-old young man from Pittsburgh was killed and nine others were injured after a massive pileup on Interstate 79.
The Blairsville Underground Railroad Museum shares the stories of slavery, the Civil War, Reconstruction and beyond
The footage is included in a video that promotes false claims that the 2020 presidential election was rigged against Mr. Trump.
The bipartisan "Bell-to-Bell" bill bars students from using their phones any time they're in school, not just during instructional periods.
It was only a few months ago that Pennsylvania passed the 2025 budget several months late, and now the process begins for this year.
Pennsylvania Gov. Shapiro delivered his fourth budget address at the State Capitol in Harrisburg, three months after last year's budget was passed by state lawmakers.
A federal judge on Monday blocked the Trump administration from revoking Temporary Protected Status for Haitians, granting a last-minute reprieve to 350,000 immigrants who were set to lose protections on Tuesday.
A woman and her husband are fighting for a $400 refund after they bought furniture from a Value City Furniture store.
It's the end of an era for a grocery store in Carrick.
A Pennsylvania couple says Kia wrongly denied a warranty claim after their car's engine failed at 80,000 miles.
Scams targeting utility customers are on the rise in Pennsylvania, the attorney general says.
A handful of Pittsburgh-area Value City Furniture stores are going out of business after their parent company filed for bankruptcy.
Daisy takes us live to learn more about 100.7 Star's Best Pizza in Pittsburgh competition.
We’re hearing from some of you! How did you meet? What is your love story?
Daisy shows us how to see our closet in a different way.
Some local pups will be in the game this year, and we’re meeting one from Animal Friends!
The band has a Pittsburgh connection, and we’re getting a performance live in the studio!
Residents of Millvale are trying to get back to normal after last weekend's major snowstorm.
Tracing the past of Shane Hennen and how his troubled life in Pittsburgh pointed to his future downfall.
People in Avella, Washington County, say they have no phone coverage.
Residents and leaders in Charleroi are concerned about the integrity of roads after a trench collapse last year and ongoing construction.
Patrick Vereb is accused of taking money from pet owners who believed their animals would receive dignified cremations.
Doctors said the drugs can help people lose unwanted pounds while retaining muscle.
Southwestern Pennsylvania's cold and snowy winter is taking its toll on more than just our roadways and walkways.
The Liberty-Clairton area is under a code orange air quality action day, according to the Pa. Dept. of Environmental Protection.
The cold weather and lingering snow affect more than just the roads and our cars, it affects our brains.
After the historic snowfall, dangerously low temperatures crept into the Pittsburgh region, bringing a hidden danger that can turn painful in seconds.
Prosecutors have dropped the most serious assault charge against Penn State hockey star Gavin McKenna.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
A person familiar with the negotiations tells The Associated Press that pitcher José Urquidy and the Pittsburgh Pirates have agreed to a $1.5 million, one-year contract.
Wide receiver Larry Fitzgerald headlines the five-player 2026 Pro Football Hall of Fame class.
The Pittsburgh Penguins beat the Buffalo Sabres 5-2 on Thursday night in the final game for both teams before the Olympic break.
More than 140 employees at Nemacolin were informed they were being let go.
It's been about six years since the pandemic, and a lot of people working from home, but now companies are slowly calling them back to the office.
Pittsburgh Mayor Corey O'Connor on Tuesday announced a new initiative aimed at revitalizing neighborhood business districts across the city.
A handful of Pittsburgh-area Value City Furniture stores are going out of business after their parent company filed for bankruptcy.
It has been five years since the home improvement retailer Menards bought a large parcel of land off Route 30 in Westmoreland County.
Filming for the final season of "Mayor of Kingstown" is expected to take place between March and June.
Many Super Bowl 60 ads are already online, along with teasers for commercials that will be unveiled during the NFL championship on Feb. 8.
"Stick Season" singer Noah Kahan is coming to Pittsburgh this summer.
Music's biggest night returned Sunday with the 68th annual Grammy Awards. Here is how to watch and stream and what to know.
Catherine O'Hara was best known for her comic performances in projects including "Home Alone," "Beetlejuice," and "Schitt's Creek."
KDKA-TV Sports' Cassidy Wood and the Post-Gazette's Jason Mackey discuss the sports topics of the day.
Chuck Dorgan was one of the 20-plus vehicles involved in the crash. He said the scariest moment wasn't when he crashed his truck. It was what happened after.
Stay on top of local weather with First Alert Meteorologist Trey Fulbright's forecast!
For five years, Junior Achievement of Western Pennsylvania has honored outstanding young people in our area through its "18 Under 18" program.
The Blairsville Area Underground Railroad is an important mark in American history.
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.