Coral reefs are first environmental system to pass climate "tipping point"
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.
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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.
Rescuers and hospital officials say Israeli strikes flattened two Gaza homes, killing more than 90 Palestinians, including dozens from an extended family.
The Israeli military said Monday it had struck more than 600 targets in Gaza over the previous 24 hours as it stepped up its bombardments.
However, no U.S. citizens or other foreign nationals who have been stranded in Gaza since the war began were allowed to cross into Egypt.
The Israeli military told the U.N. that the entire population north of the Wadi Gaza wetlands should "relocate to southern Gaza within the next 24 hours."
"Climate breakdown has begun," U.N. chief says, adding: "The dog days of summer are not just barking, they are biting."
"Climate change is here. It is terrifying. And it is just the beginning," U.N. Secretary-General Antonio Guterres said.
"Nobody is going to be untouched by these changes that are happening," an expert from the U.K. Met Office warned.
Foreign nations and aid agencies are racing to mobilize resources to help survivors of the devastating quakes in two countries. Here's how you can help.
Pope Francis urged the faithful to remember the millions of Ukrainians who were without electricity or heating Sunday because of Russian attacks, as well as the millions more displaced from their homes.
"A milestone year, when we anticipate the birth of the Earth's eight billionth inhabitant" says U.N. chief.
The head of the World Health Organization says there's "cause for optimism."
A report from the World Health Organization found that 500 million people will develop diseases if they don't increase their physical activity.
Pittsburgh has become the second city in the country to adopt the UN's Sustainable Development Goals to improve livability.
Millions of people around the world, including Pittsburgh, walked out of their schools and workplaces today to demand urgent action on climate change.
According to an Associated Press source, United Nations Ambassador Nikki Haley is set to resign.
A U.N. report says limiting global warming to just under a single degree could mean the difference between life and death for many people and ecosystems.
Beginning his speech at the United Nations General Assembly this week, President Donald Trump didn't appear to expect the humorous interlude as he launched into a recital of his achievements in office to date.
Kofi Annan, described as one of "Africa's foremost son," whose achievement as the first black African to lead the UN, died on Saturday.
US Ambassador to the United Nations Nikki Haley announced the United States is withdrawing from the UN Human Rights Council Tuesday, accusing the body of bias against US ally Israel and a failure to hold human rights abusers accountable.
Finland is the happiest country in the world, according to the latest World Happiness Report.
Elected on the nationalist slogan "America first," President Donald Trump will use his debut address to the U.N. General Assembly to argue that individual nations should act in their own self-interest, yet rally together when faced with a common threat such as North Korea.
The U.N. Security Council on Monday unanimously approved new sanctions on North Korea but not the toughest-ever measures sought by the Trump administration to ban all oil imports and freeze international assets of the government and its leader, Kim Jong Un.
Congo's government has obtained a five-minute cell phone video that shows the gruesome murders of two United Nations experts who were killed last month while investigating human rights abuses.
Sweden's prime minister says the United Nations and Congo must investigate after three bodies, including those of Swedish and American investigators with the United Nations, were found in central Congo.
A Texas man is facing animal cruelty charges after leaving his puppy at the departures gate at Pittsburgh International Airport.
Fluorescent bulbs can be lit up without a light fixture, but it takes caution.
Spring is officially here in Pittsburgh, and it's coming with some warm temperatures and sunshine!
A woman was found shot in the head inside a McKees Rocks home on Friday night.
A fish fry was held in honor of Ayden Stahl, a 16-year-old killed in a dirt bike crash last week in Washington County.
A Texas man is facing animal cruelty charges after leaving his puppy at the departures gate at Pittsburgh International Airport.
Fluorescent bulbs can be lit up without a light fixture, but it takes caution.
Spring is officially here in Pittsburgh, and it's coming with some warm temperatures and sunshine!
The annual KDKA Fish Fry Guide is back for Lent! Check our listings for a 2026 fish fry near you in Pittsburgh.
A woman was found shot in the head inside a McKees Rocks home on Friday night.
President Trump's director of the National Counterterrorism Center, Joe Kent, announced his immediate resignation Tuesday, citing the administration's decision to intervene in Iran.
U.S. intelligence has circulated to President Trump's inner circle that Iran's late supreme leader had misgivings about his son replacing him, viewing Ayatollah Mojtaba Khamenei as not very bright.
TSA officers faced their first full missed paycheck Friday.
"The president is constantly critical on mail-in voting, and that's ridiculous," Democratic Sen. John Fetterman said Wednesday.
"I think, overall, what's accomplished is remarkable," Sen. John Fetterman told CBS News chief White House correspondent Major Garrett in an interview Wednesday.
Studies show nearly 25% of Pennsylvanians can't pay their power bills at least once a year.
After a rat raised questions about health and safety at The Urban Tap, the owner says the South Side business is ready to gain back the public's trust.
Looking to get free shipping when you make an online purchase, but your order doesn't qualify? Here's how you can change that!
Pennsylvania farmers say economic factors like diesel fuel and fertilizer costs are pushing them to the edge.
The gas price spikes are real and apparent. Here's how Pittsburgh drivers can save money.
Kati is back and she's challenged Heather and David to a flower-arranging showdown!
The duo turned a simple stair lift into a first-class feline transportation machine, and now, Mama Lu and Angel have become the talk of TikTok.
Remember way back when when Heather Abraham's Taste It Tuesday pie wouldn't set? Well, we're making sure it never happens again because Terina from Cobblerworld is here to help us do some better baking!
For 75 years, Page's Dairy Mart has been a staple of the Pittsburgh community, and now they're debuting their very own ice cream truck! PTL's Daisy Jade got the "scoop" about this "sweet" ride.
Kati Nairn from Beyond Gray joins the show and she gives Heather and David some simple, stylish swaps that will make your home feel like spring!
An inspection sheds light on why dust is blanketing a neighborhood in Westmoreland County.
The O'Connor administration will begin taking a scalpel to Pittsburgh's finances as it tries to close a $30 million to $40 million budget hole.
Residents in the area of Rochester, Beaver County, say a persistent chemical smell has taken over the air.
More homeowners than ever in Allegheny County are filing appeals to try to lower their property taxes.
A cancer once rare in young people has become the number one cause of cancer-related deaths for Americans under age 50.
When doctors found out Ainsley Flynn had viral myocarditis, they leaped into action to save her. Now, Flynn is giving back.
UPMC Hillman Cancer Center is exploring everything radiation treatment can treat, and the success has been life-changing for people.
A Pittsburgh-area man is not just giving people living with ALS a voice, he's giving them their own voice.
A cancer once rare in young people has become the number one cause of cancer-related deaths for Americans under age 50.
Fish fries can be a quandary for people with heart and other medical issues.
Penn State's women's hockey team will take on Wisconsin at home in the national semifinal.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
The first two days of the NCAA men's basketball tournament are considered by many fans to be an undeclared holiday and the unofficial beginning of spring.
The race is being run on Saturday morning during the weekend of the NFL Draft.
The school district said it's able to replace the turf and track thanks to grant money it received last year from the Tull Foundation.
Pittsburgh's newest music venue released a lineup of its first concerts on Monday, giving a taste of what's to come at Citizens Live at the Wylie.
Forbes' latest ranking of the world's richest people has been released, and the list features billionaires with ties to Pittsburgh.
A fire chief says a fire at an Ohio hog farm complex has killed about 6,000 pigs and unleashed a large plume of smoke that could be seen for miles.
Lawmakers in Harrisburg are looking at bills to tackle dynamic pricing.
The budget airline Breeze is launching a new nonstop route from Pittsburgh to Myrtle Beach this summer.
Chuck Norris' family said his death at 86 was sudden, but did not share any details on the cause.
A fast-casual restaurant and a massive plaza will be open on April 2 on Pittsburgh's North Shore.
Pittsburgh CLO and Pittsburgh Public Theater are forming a new organization.
Pittsburgh's newest music venue released a lineup of its first concerts on Monday, giving a taste of what's to come at Citizens Live at the Wylie.
Hollywood's biggest stars were honored at the 98th annual Academy Awards on Sunday. Here is what to know and how to watch the 2026 Oscars.
A Texas man is facing animal cruelty charges after abandoning his Labrador puppy at the Pittsburgh International Airport.
Meteorologist Ray Petelin has a weird experiment today where he shows us how to illuminate fluorescent light bulbs without connecting them to a light fixture!
Stay on top of local weather with meteorologist Mary Ours’s forecast!
Stay on top of local weather with meteorologist Mary Ours’s forecast!
A woman was found shot in the head in McKees Rocks late on Friday night.
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.
