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.
Almost suddenly, Allegheny County has seen a dramatic drop in the number of people dying.
The eagles nesting at U.S. Steel's Irvin plant have laid a second egg.
The Horizon Market, which opened last year to provide Tarentum with a better source of groceries, was broken into by two juveniles.
How sinful is Pennsylvania? Here's a ranking of the most sinful cities, according to WalletHub.
Matthew Edward Pysher, 18, is facing a federal charge of travel with intent to engage in illicit sexual conduct.
Almost suddenly, Allegheny County has seen a dramatic drop in the number of people dying.
The eagles nesting at U.S. Steel's Irvin plant have laid a second egg.
The Horizon Market, which opened last year to provide Tarentum with a better source of groceries, was broken into by two juveniles.
The annual KDKA Fish Fry Guide is back for Lent! Check our listings for a 2026 fish fry near you in Pittsburgh.
How sinful is Pennsylvania? Here's a ranking of the most sinful cities, according to WalletHub.
A federal judge on Monday permanently blocked the Justice Department from releasing former special counsel Jack Smith's report on the classified documents investigation.
An armed man was shot and killed early Sunday morning after "unauthorized entry" into the secure perimeter at President Trump's Mar-a-Lago estate, the U.S. Secret Service said.
Homeland Security Secretary Kristi Noem said in a statement that TSA and Customs and Border Protection are "suspending courtesy and special privilege escorts."
On Friday, President Trump signed a proclamation that would impose 10% tariffs on most foreign imports to the United States.
President Trump lashed out at the Supreme Court over its tariff decision, saying he was "absolutely ashamed" of the justices who ruled against him.
Primanti Bros. is opening its doors early on Sunday as Team USA faces Team Canada in the gold medal game in men's hockey.
The Pennsylvania Public Utility Commission approved a rate settlement for Pittsburgh Water - here's what it means for your bills.
You may have noticed that gas prices in the Pittsburgh area aren't low, but there's a reason why, and there are ways to save.
West Virginia took a major step in the fight against child pornography Thursday, after the state filed a first lawsuit of its kind against Apple.
With the deep fryers warming up for the start of Lenten fish fries on Wednesday, you've likely noticed the price you're paying has gone up over the last few years.
Big rumors, real loss and very real parenting are just a few of the things that we’re getting caught up with in today’s Pop Talk Live with Melanie from 100.7 STAR.
It’s time to take a bite out of a local diner spot that came highly recommended to us from all of you in Butler County: Family Tradition Restaurant.
Etiquette expert Liz Aquino is back to answer life’s most pressing question: Is there a proper way to eat diner food, and have we been doing it wrong this whole time?
Next up on our tour of PTL Diner Week, it’s off to Beaver County, where a drive-in diner is getting a lot of buzz. Daisy popped the top on her Mustang and took a trip up to Bridgewater to check it out.
PTL hosts Heather Abraham and David Highfield discuss Pittsburgh culture, trending news and social media, food, sports, and more.
Almost suddenly, Allegheny County has seen a dramatic drop in the number of people dying.
News organizations in the Pittsburgh area are coming together to help each other survive.
It's no secret that many boroughs in the Mon Valley are riddled with abandoned and decaying homes.
The Beaver Valley could become the center of artificial intelligence infrastructure for the region.
The county has a new tool for tackling blighted homes across Allegheny County.
Fish fries can be a quandary for people with heart and other medical issues.
With a measles outbreak in Pennsylvania, local health experts want to send a message to families.
Cracking down on the price of prescription drugs is a hefty task.
The advisory, issued on Saturday, affected thousands of customers in Allegheny and Washington counties.
Pennsylvania American Water said that a first round of testing came back negative and an update can be expected late Monday morning.
Fans across the country and in western Pennsylvania erupted as the Americans defeated Canada 2-1 in overtime.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Through a sudden death overtime goal, the U.S. men's hockey team is golden over Canada.
The Greensburg native won the bronze in the two-woman bobsled race.
Team Canada announced that Sidney Crosby will not play against the United States in the gold medal game.
The lawsuit accuses Nippon of prioritizing revenue over worker safety.
West Virginia took a major step in the fight against child pornography Thursday, after the state filed a first lawsuit of its kind against Apple.
Move over, Wawa, "there's a new player in town." Customers shed light on Pennsylvania's heated rivalry as Sheetz opened its first store in Montgomery County.
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.
Nick Reiner, 32, was charged with two counts of murder in the killing of his parents, Rob Reiner and Michele Singer Reiner.
"Jersey Shore" star Nicole "Snooki" Polizzi said in a TikTok video that her results at a post-op appointment for a cone biopsy showed stage 1 cervical cancer.
In April 2025, Eric Dane announced he had been diagnosed with amyotrophic lateral sclerosis, or ALS.
"The Late Show" host Stephen Colbert criticized CBS on Monday night, saying the network blocked his interview with U.S. Senate hopeful James Talarico from airing.
Bruce Springsteen and The E Street Band will return to Pittsburgh this spring.
Almost suddenly, Allegheny County has seen a dramatic drop in the number of people dying.
Pennsylvania Attorney General Dave Sunday praised efforts made by local and federal law enforcement in southwestern Pennsylvania on Monday for a record-breaking illegal firearm seizure. KDKA-TV's Erika Stanish reports.
Two dogs were left tied to the front door of the Washington Area Humane Society in freezing temperatures.
"The Football Town," celebrates every level of football in western Pennsylvania.
The eagles nesting at U.S. Steel's Irvin plant have laid a second egg. Josh Taylor has the latest on the nest.
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.
