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.
Days after a car crash and fire in the Squirrel Hill Tunnel, KDKA got an exclusive look inside.
A 75-year-old man died after apparently falling 50 feet while rock climbing at Monongahela National Forest in West Virginia.
As part of his partnership with the Gary Sinise Foundation, Paul Skenes visited the Berkeley Hills Fire Company in Ross Township.
Police departments all around the country say surveillance technologies like cameras, drones, and license plate readers have proved invaluable in tracking and arresting violent criminals.
National, state and local hunger-relief networks are teaming up to try to cut hunger in half by 2035.
A small vessel was recovered from the river Monday morning.
Police said a woman "went through hell" as her son beat her to death for over an hour at their home in West Newton.
Video shows youth football coaches from Carlynton and Keystone Oaks fighting on the field during a game over the weekend.
Days after a car crash and fire in the Squirrel Hill Tunnel, KDKA got an exclusive look inside.
A 75-year-old man died after apparently falling 50 feet while rock climbing at Monongahela National Forest in West Virginia.
Lawmakers could also vote on condemning socialism and censuring GOP Rep. Chuck Edwards.
The ruling marks a blow to the federal government's long-delayed effort to prosecute Khalid Sheikh Mohammed, who is accused of developing the plot to crash planes into the Pentagon and World Trade Center.
A federal judge on Tuesday temporarily blocked enforcement of an Ohio requirement that voters show proof of citizenship when registering to vote at a motor vehicle bureau
Data centers have become the hottest issue in political races across the country, including Pennsylvania's race for governor.
The U.S. and Canada have wrangled for decades over trade, and somehow, they still managed to remain friends, allies and trading partners.
A new report tries to calculate how much Pennsylvanians need to earn to live what's considered a comfortable lifestyle.
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.
Daisy takes a trip to the Pittsburgh Zoo to visit the new lion cub!
Chef Doug Heilman shows Heather and David how to make a rustic tart filled with fruit or veggies!
You can bring your own container to The Refillery and replenish everyday items without buying more plastic.
A historic merger between two theater companies in Pittsburgh took place, and they have a new name. Tickets for their season are on sale now.
David and Heather recap their fun-filled weekends!
Police departments all around the country say surveillance technologies like cameras, drones, and license plate readers have proved invaluable in tracking and arresting violent criminals.
Video shows youth football coaches from Carlynton and Keystone Oaks fighting on the field during a game over the weekend.
Police public safety services are being questioned in Forward Township.
An attempt to regulate Pennsylvania's pet cremation industry just hit a wall.
A family in Wall Borough, Allegheny County, said repeated flooding has forced them to abandon their home's first floor.
Pennsylvania health officials say two people who had measles died in the state, but Health Secretary Robert F. Kennedy Jr. is questioning that.
UPMC is taking another step to help Pittsburgh's first responders better protect our community.
For the first time since 1991, Pennsylvania has recorded its first two deaths connected to measles.
Pennsylvania has recorded its first two deaths connected to measles in 35 years.
Injuries are a part of many sports, and UPMC is trying to help high school athletes get back to the games they love.
Lionel Messi played in six World Cups and led Argentina to win the tournament in 2022 in Qatar.
Aaron Rodgers, Mason Rudolph, Will Howard, and Drew Allar have all made the team's initial 53-man roster.
Esmerlyn Valdez and Jared Triolo homered, Brandon Lowe added an RBI single and the Pittsburgh Pirates beat the St. Louis Cardinals 5-4 on Sunday.
The three-time NFL Defensive Player of the Year previously retired from the team in 2023 after 10 seasons.
The Pittsburgh Steelers have traded offensive lineman Broderick Jones to the Dallas Cowboys, according to reports.
A federally funded Ohio manufacturing program faces potential shutdown after a new audit by the U.S. Department of Commerce's Office of Inspector General.
Gas station giant Buc-ee's has sparked a backlash in Ohio over one of its frequent trademark infringement lawsuits.
The international fashion retailer Zara will open a location in Ross Park Mall in 2028, as the mall continues to thrive.
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.
A show coming to The Palace Theatre in Greensburg looks to pay tribute to Dolly Parton.
Tim Curry was known for his iconic performances in cult classics like "The Rocky Horror Picture Show" and the original screen adaptation of Stephen King's "It."
Pittsburghers are remembering Dolly Parton as "one of a kind" following her death on Tuesday.
Dolly Parton became an icon over her six-decade career as a Grammy-winning singer-songwriter, movie and TV star and theme park owner who donated millions to help others.
Bret Michaels is taking a break from touring to recover from recent surgeries.
Stay on top of the weather in the Pittsburgh area with First Alert Meteorologist Ray Petelin's forecast!
Days after a car crash and fire in the Squirrel Hill Tunnel, KDKA got an exclusive look inside and talked to PennDOT about what it takes to respond to this kind of incident in hopes of reassuring people next time they're driving through one of the area's tunnels. KDKA's Lauren Linder reports.
As part of his partnership with the Gary Sinise Foundation, Paul Skenes visited the Berkeley Hills Fire Company in Ross Township.
Police departments all around the country say surveillance technologies like cameras, drones, and license plate readers have proven invaluable in tracking and arresting violent criminals.
Pittsburgh Public Schools will temporarily shift to synchronous remote learning at 35 school buildings this week due to projected high temperatures. KDKA-TV's Shelley Bortz reports.
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.
