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.
Watch CBS News
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.
Dennis Dixon, the chief of police in Heidelberg, was found dead inside his patrol car on Monday night.
The Ligonier Country Market officially has its new home and will be ready just in time for its 20-week season.
It's a girl! A new African lion cub was born on April 5 and could make her public debut late this summer.
A scratch-off ticket with a jackpot worth $1 million was sold in Evans City, Pennsylvania.
Investigators determined that a duplex fire that displaced two families was set intentionally.
Dennis Dixon, the chief of police in Heidelberg, was found dead inside his patrol car on Monday night.
The Ligonier Country Market officially has its new home and will be ready just in time for its 20-week season.
It's a girl! A new African lion cub was born on April 5 and could make her public debut late this summer.
A scratch-off ticket with a jackpot worth $1 million was sold in Evans City, Pennsylvania.
Investigators determined that a duplex fire that displaced two families was set intentionally.
Gas prices, inflation weigh on Americans. Many see lack of clarity on what's happening in Iran.
Gambling addiction is impacting more young people, so much so that state lawmakers are calling it an epidemic.
President Trump is in Beijing meeting with China's President Xi Jinping, with the two leaders aiming to stabilize their trading relationship after last year's trade war.
The Allegheny County Health Department wants to require all employers in the county to give their employees paid parental leave.
Live updating West Virginia primary election results for May 12, 2026.
The Allegheny County Health Department has issued a consumer alert for Prantl's Bakery in Shadyside, saying an inspection found pest droppings.
A Bethel Park homeowner says he's out thousands of dollars after hiring a contractor to replace his front porch.
A popular Washington County farm won't be offering pick-your-own peaches this year.
Gas across the country continues to climb.
Two food items sold at Giant Eagle have been voluntarily recalled due to separate contamination risks.
There are few things more powerful than finding a swimsuit that fits and makes you feel good during your beach trip. So, we called in style expert Joanna Heyman to give us the guidance we need!
Maybe you're getting ready to remodel or downsize, and you need to get rid of some of those living room goods. Our antique appraiser Dr. Lori is back to give us some estimates on what they could be worth!
Pittsburghers love a good theme party, and this year, the Mattress Factory's garden party will be celebrating all things gothic!
We all know that Steven Brault can play baseball and broadcast a game, but did you know he's also a singer? A Grand Night of Singing will help benefit the Pittsburgh Youth Chorus.
We're trying out the new McDonald's "dirty sodas," talking about the Survivor finale, and wondering who will be the next James Bond!
A Bethel Park homeowner says he's out thousands of dollars after hiring a contractor to replace his front porch.
It's been nearly eight years since Rachael DelTondo was shot and killed in the driveway of her parents' home in Aliquippa.
An artist in Pittsburgh said the Steel City clothing company used his artwork without his permission.
Alcosan's multi-billion-dollar construction project to clean up the rivers in southwestern Pennsylvania is already over budget.
Pennsylvania prisons now give suboxone to thousands of inmates, with thousands more on the waiting list.
Temperatures could reach into the 90s this week in Pittsburgh, and that impacts everything, including your sleep.
Frontline healthcare workers at Butler Memorial Hospital overwhelmingly approved their first union contract on Friday.
A western Pennsylvania dad went from wondering what a spot on his leg was to learning he has an extremely rare skin cancer.
The Allegheny County Health Department wants to require all employers in the county to give their employees paid parental leave.
Allegheny Health Network is putting out a warning about a new social media trend.
Aaron Rodgers didn't waste time getting back to work with the Pittsburgh Steelers.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Bryce Harper hit a home run off ace Paul Skenes to lead the Phillies to a 6-0 win over the Pirates and a sweep of the three-game series.
The Pittsburgh Steelers and Aaron Rodgers have agreed to terms on a one-year contract, according to reports.
Napoleon Solo hustled to first place at the 151st running of the Preakness Stakes on Saturday, coming out on top against 13 other horses.
A popular Washington County farm won't be offering pick-your-own peaches this year.
If you're about to throw out all of those old documents while spring cleaning, there are some you should hold onto.
The hole left behind by Spirit will hit businesses and rental companies within Arnold Palmer Regional Airport.
The bar served its final pints Sunday night after 43 years in Oakland, near the heart of Pitt's campus.
Arnold Palmer Regional Airport officials are confident they'll be able to replace Spirit Airlines after the airline shut down early Saturday morning.
The tour, celebrating the 30th anniversary of their biggest album, will stop in Pittsburgh on October 6.
The country music superstar will be performing at 1846 Farms in September.
The exhibit transforms historic industrial and historical paintings into a multi-projection animated experience.
Country music star Lainey Wilson and former Steelers quarterback Devlin "Duck" Hodges tied the knot in a lavish Tennessee wedding.
Riverlife will reopen its free-to-access barge platform, Shore Thing, later this month.
Stay on top of local weather with meteorologist Mary Ours’s forecast!
The Ligonier Country Market officially has its new home and will be ready just in time for its 20-week season. KDKA's Megan Shinn has more on this story.
Dennis Dixon, the Chief of Police in Heidelberg was found dead inside his patrol car on Monday night.
A 4-year-old was hit and killed by a vehicle in Pittsburgh's Upper Hill neighborhood on Monday night, and for the community, it was a shock. KDKA's Jessica Riley has the story.
There are few things more powerful than finding a swimsuit that fits and makes you feel good during your beach trip. So, we called in style expert Joanna Heyman to give us the guidance we need!
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.
