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.
One person is dead another is hurt after a fiery three-car crash on the Liberty Bridge.
A cold front is passing through Pittsburgh on Sunday, which will lead to chilly temperatures.
A majority of Steelers fans want the team to move on from Aaron Rodgers and remain divided over the hiring of Mike McCarthy.
The New York Rangers rallied to defeat the Pittsburgh Penguins 3-2 on Saturday.
A federal grand jury has indicted a man illegally residing in Pittsburgh on several charges, authorities say.
One person is dead another is hurt after a fiery three-car crash on the Liberty Bridge.
A cold front is passing through Pittsburgh on Sunday, which will lead to chilly temperatures.
A majority of Steelers fans want the team to move on from Aaron Rodgers and remain divided over the hiring of Mike McCarthy.
The annual KDKA Fish Fry Guide is back for Lent! Check our listings for a 2026 fish fry near you in Pittsburgh.
The New York Rangers rallied to defeat the Pittsburgh Penguins 3-2 on Saturday.
President Trump posted on social media that Iranian Supreme Leader Ayatollah Ali Khamenei had been killed after a massive U.S. and Israeli military operation Saturday.
Americans weighed in on how long a conflict with Iran might last and what Congress should do.
Early on Saturday, the U.S. and Israel launched a military operation in Iran, and Pennsylvania's elected officials have responded.
President Trump said that "heavy and pinpoint bombing" of Iran would "continue, uninterrupted throughout the week or, as long as necessary."
Pennsylvania Gov. Josh Shapiro slammed the Department of Homeland Security's plans to open immigration detention facilities in Berks and Schuylkill counties.
There are always deals to be had at places like Sam's Club and TJ Maxx, but there are ways to get even bigger discounts.
Ollie's Bargain Outlet in Greensburg has temporarily closed after the Pennsylvania Department of Agriculture found a rodent infestation this week.
Lawmakers in Harrisburg are looking at bills to tackle dynamic pricing.
Each year, the American Customer Satisfaction Index releases its survey of supermarkets, and several Pittsburgh grocers got high marks.
Former patients of Dr. Carl Medgaus are running out of time to try to recover money for unfinished dental work.
We're checking back in with Daisy at the Polar Plunge where some of the people you will see at this year's Horror Realm Convention are taking the plunge for a good cause!
David and Heather find themselves in West Deer where they're visiting the Deer Creek Diner, the winner of PTL Diner Week, as voted on by the viewers!
This weekend, the documentary The Football Town, premieres and PTL sat down to talk with the producers and the Steelers about the film that highlights the game that means so much to Pittsburgh.
Team PTL's Daisy Jade is live at Acrisure Stadium where the Special Olympics of Western Pennsylvania is hosting its annual Polar Plunge!
The release of Scream 7 is today, and Mikey and David are having a lot of fun celebrating another chapter in the horror classic! They also take your questions, and much more!
Former patients of Dr. Carl Medgaus are running out of time to try to recover money for unfinished dental work.
The Woodland Hills school board has been a lightning rod of controversy since putting Superintendent Joe Maluchnik on administrative leave three months ago.
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.
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.
A majority of Steelers fans want the team to move on from Aaron Rodgers and remain divided over the hiring of Mike McCarthy.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
The New York Rangers rallied to defeat the Pittsburgh Penguins 3-2 on Saturday.
The 2028 Summer Games will feature squash for the first time, and Pittsburgh is a place Olympic hopefuls are gathering.
The Steelers are anticipating quicker clarity about their quarterback situation this time.
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.
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.
The medical drama "The Pitt" has certainly put a lot of eyes on Pittsburgh, and while the stories are fiction, the show highlights some very real things about the city.
Streaming giant Netflix declined to match Paramount Skydance's $31 per share offer for Warner Bros. Discovery.
A Romanian court on Thursday rejected an appeal by American rapper Wiz Khalifa to annul his nine-month jail sentence handed down for drug possession.
The Rock & Roll Hall of Fame has announced its 2026 list of nominees, including Phil Collins, Mariah Carey, Wu-Tang Clan and more.
Nick Reiner, 32, was charged with two counts of murder in the killing of his parents, Rob Reiner and Michele Singer Reiner.
Will the Penguins sign Evgeni Malkin to a contract extension soon, what is Cam Heyward's future with the Steelers, and the Pirates are in the heat of Spring Training. KDKA-TV Sports' Cassidy Wood is joined by the Pittsburgh Post-Gazette's Brian Batko to break it all down!
Pittsburgh Regional Transit said that service on the Silver Line will be temporarily suspended in parts of South Park and Bethel Park so that crews can replace and reinforce overhead electrical lines. KDKA's Jessica Riley has the details commuters need to know.
Stay on top of local weather with meteorologist Mary Ours’s forecast!
One person is dead and another is hurt after a fiery crash on the Liberty Bridge early on Sunday morning.
Protesters gathered across Pittsburgh on Saturday to voice their disagreement with the military operations in Iran. KDKA-TV's Ricky Sayer spoke with protesters and supporters of the military action.
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.