2025 was so hot it pushed Earth past critical climate change mark
2025 was the third hottest year on record and pushed Earth past a critical climate change mark, scientists say.
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2025 was the third hottest year on record and pushed Earth past a critical climate change mark, scientists say.
Gov. Josh Shapiro signed a $50 billion spending package to end a four-month budget stalemate that has held up billions for public schools and social services.
Leaf-peeping season has arrived in the Northeast and beyond, but weeks of drought have dulled this year's autumn colors and sent leaves fluttering to the ground earlier than usual.
Crucial for marine life and the global economy, coral reefs are the planet's first major environmental system to cross a climate "tipping point" as the world warms.
Hospitals across the U.S. are at risk of significant flooding, and climate experts warn that the Trump administration's cuts leave the nation less prepared.
34 million people live in one of these major U.S. cities that's sinking, new research shows. See if your area is on the list — and how quickly the land is moving.
Out of the many consequences of a warming climate, one major concern is the increasing frequency of high intensity rain events.
As climate change worsens pollen seasons, these U.S. cities top the list for 2025, according to a new report from the Asthma and Allergy Foundation of America.
Environmental Protection Agency to review a key 2009 finding by the agency that greenhouse gases pose a risk to Americans.
Some 880 employees of the National Oceanic and Atmospheric Administration were laid off on Thursday, a congressional source told CBS News.
Nonprofit groups are working to distribute essential supplies to those impacted by the fires across the Los Angeles area.
Researchers say human-caused climate change dealt people an average of nearly six weeks of extra extreme heat in 2024, while also fueling more destructive storms.
World coal use is set to reach an all-time high in 2024, the International Energy Agency says, in a year all but certain to be the hottest in recorded history.
Scientists now have a clearer picture of Camp Century, an abandoned U.S. military base long hidden under the ice in Greenland, thanks to a NASA research team's good luck.
Oil and natural gas companies will have to pay a federal fee if they emit methane above certain levels under a rule being finalized by the Biden administration that incoming Trump officials are likely to reverse.
We've seen some warmer Halloweens in the last couple of years, so is this something we can expect to continue moving forward?
Why is there a disconnect between constituent views on climate change and the actions of their representatives?
Why is there a disconnect between constituent views on climate change and the actions of their representatives? KDKA political editor Jon Delano explores the reported feelings and actions in Pennsylvania's 14th and 16th congressional districts.
Scientists from the International Thwaites Glacier Collaboration warn of a "grim outlook" for the Thwaites Glacier, also known as the "Doomsday Glacier."
Heavy rains caused severe flooding in Central Europe, affecting countries including Austria, the Czech Republic, Poland and Romania.
The legacy toy company is increasing the certified renewable or recycled materials that go into its bricks in an effort to reduce its reliance on fossil fuels.
While five states have laws in place protecting workers from excessive heat, for decades there have been no federal protections.
Earth sizzled to its hottest day ever measured by humans Monday, beating a record set the day before, the European climate service Copernicus says.
Six people protesting climate change stormed the 18th green at the Travelers Championship on Sunday, delaying the finish for about five minutes.
This Wednesday on World Environment Day, the Ecolution Fashion Gala will be held for the 9th year. It celebrates fashion, as well as sustainability, art, music and dance all within one show-stopping event. Daisy was at the Carnegie Museum Music Hall with the new curator for the event.
Braxton Ashcraft allowed five hits over eight efficient innings, Oneil Cruz homered in his return from the injured list, and the Pittsburgh Pirates beat the Detroit Tigers 4-1.
A New Castle man who unsuccessfully ran for the Pennsylvania House is now the focus of a grand jury indictment, charged with sex offenses.
U.S. News and World Report has a list of the best high schools in the Pittsburgh area for 2026.
Pennsylvania Gov. Josh Shapiro on Tuesday said he's instituting what he calls the strictest data center guardrails in the country.
Cloverleaf Estates East in Delmont is an over-55 community of about 390 single-floor manufactured homes for many people living on a fixed income.
Paul Robinson, the father charged in the alleged cocaine trafficking ring at Penn State, is a managing attorney at a law firm in Pittsburgh.
Court records detail the expansive cocaine trafficking ring that snarled two Penn State University fraternities and led to charges against 14 people.
U.S. News and World Report has a list of the best high schools in the Pittsburgh area for 2026.
Braxton Ashcraft allowed five hits over eight efficient innings, Oneil Cruz homered in his return from the injured list, and the Pittsburgh Pirates beat the Detroit Tigers 4-1.
A New Castle man who unsuccessfully ran for the Pennsylvania House is now the focus of a grand jury indictment, charged with sex offenses.
Pennsylvania Gov. Josh Shapiro on Tuesday said he's instituting what he calls the strictest data center guardrails in the country.
On Tuesday, Pennsylvania took a major step in the fight against the negative impacts of social media, particularly on children.
In a wide-ranging interview with the CBS News partner BBC News, Hunter Biden grew emotional as he discussed his father's condition, describing it as very sad to watch.
The Senate Homeland Security Committee voted to hold Dr. Anthony Fauci in contempt of Congress over his refusal to answer questions during testimony before the committee last week.
Part of the state budget calls for $20 million to go to main street development in communities.
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.
On Tuesday, Pennsylvania took a major step in the fight against the negative impacts of social media, particularly on children.
While the importance of the family support system is timeless, a new study found it creates financial stressors for all involved.
The store will be located at the North Hills Village shopping center along McKnight Road.
Daniel Hill with House Call Personal Training shows how a quick 4-minute workout a day can help improve strength, balance and physical function in adults 65+.
Daisy gets a tour around the new reimagined Cranberry Giant Eagle.
Daisy and Heather guess the value of vintage housework items.
The First Annual Judgment of Zelienople is a blind wine tasting event hosted by Papa Joe's Wine Cellar in Zelienople.
We head to the Heinz History Center, where one of the coolest exhibits in town is bringing the history of the Ice Age to life.
The Bob O'Connor Golf Course has been run by a nonprofit with a charitable mission, but the course has been losing money.
KDKA Investigates has received several concerns about the integrity of the bridge, leading to an eight-month investigation into how safe the bridge is.
Going to college was once considered a very safe investment, but with tuition soaring, is it still worth the price tag?
The Pennsylvania Department of Environmental Protection and the Sherwin-Williams Manufacturing Company entered into a consent order and agreement.
A community in Butler County said repeated boil water advisories have them uneasy about their water quality.
Several waterways across Pennsylvania tested high for E. coli, environmental groups said.
The Pennsylvania measles outbreak isn't slowing down, and one local doctor said Pittsburgh is not immune.
The countdown to the first day of school is on, and now is the time to start making some adjustments.
In a wide-ranging interview with the CBS News partner BBC News, Hunter Biden grew emotional as he discussed his father's condition, describing it as very sad to watch.
Doctors are finding they are faced with questions about health advice from social media, but they caution that you can't always trust what you find.
Braxton Ashcraft allowed five hits over eight efficient innings, Oneil Cruz homered in his return from the injured list, and the Pittsburgh Pirates beat the Detroit Tigers 4-1.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Kevin McGonigle hit a two-run homer, and the Detroit Tigers held off the Pittsburgh Pirates 8-5 on Monday night and moved into a three-way tie for the final AL wild-card spot.
Mark Kulbis is also facing misdemeanor counts of involuntary manslaughter and reckless endangerment in the death of Calvin "CJ" Dickey Jr.
Bryan Reynolds, Brandon Lowe, and Nick Yorke each had two RBIs to lift the Pittsburgh Pirates over the Boston Red Sox 8-3 after a 2 1/2-hour rain delay.
Some Bloomfield business owners paint a nuanced picture of how the annual Little Italy Days festival impacts them, saying that while they don't dislike the festival, they do make less money than they normally would.
The store is expected to open sometime next year.
On Tuesday, Pennsylvania took a major step in the fight against the negative impacts of social media, particularly on children.
Part of the state budget calls for $20 million to go to main street development in communities.
Amtrak is adding a second trip from Pittsburgh to New York later this year, officials said during a public board meeting.
The Jonas Brothers are returning to Pittsburgh later this year.
Hayden Panettiere, who starred in "Remember the Titans" as a child actor and rose to fame in the series "Heroes," has died at the age of 36. The coroner's office says she was found in cardiac arrest.
The tour will be coming to Acrisure Stadium on May 8, 2027.
The popular vocal quintet Pentatonix is returning to Pittsburgh this holiday season.
Joe Manganiello says even when he spent 25 years living in Los Angeles, he always considered Pittsburgh home.
Increasing longevity one step at a time
Tamburitzans celebrate 90th anniversary
Daisy cheks out new Pitt styles and collabs.
Lessons from Disney princesses | 3 O'Clock Drop
Great American Banana Split Celebration returns to Latrobe
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.
