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.
For the second time in just over a year, first responders at the The North Fayette Township Volunteer Fire Department helped save a child who was choking.
Today is a First Alert Weather Day because of flooding risks.
Timothy Quinn and Steven Menefee were killed in an explosion at the U.S. Steel Clairton plant one year ago.
The U.S. Chemical Safety Board has released its final report into the deadly explosion at U.S. Steel's Clairton Coke Plant, finding it was the result of multiple preventable safety issues.
Two adults are facing charges after a 3-year-old died from cocaine toxicity in Mercer County, Pennsylvania State Police announced on Monday.
A local family is warning other dog owners about a potentially deadly fungal infection that took the life of their beloved German shepherd.
Two adults are facing charges after a 3-year-old died from cocaine toxicity in Mercer County, Pennsylvania State Police announced on Monday.
The Pennsylvania Department of Environmental Protection and the Sherwin-Williams Manufacturing Company entered into a consent order and agreement.
KDKA-TV Back-to-school 2026
For the second time in just over a year, first responders at the The North Fayette Township Volunteer Fire Department helped save a child who was choking.
In a wide-ranging interview with the CBS News partner BBC News, Hunter Biden grew emotional as he discussed his father's condition, describing it as very sad to watch.
The Senate Homeland Security Committee voted to hold Dr. Anthony Fauci in contempt of Congress over his refusal to answer questions during testimony before the committee last week.
Part of the state budget calls for $20 million to go to main street development in communities.
On Saturday, Saudi Crown Prince Mohammed bin Salman spoke with Mr. Trump and cautioned him against conducting a fresh round of strikes on Iran, CBS News learned.
Dr. Anthony Fauci appeared before the Senate to testify on the origins of the COVID-19 pandemic but invoked his Fifth Amendment rights in answering all questions.
While the importance of the family support system is timeless, a new study found it creates financial stressors for all involved.
The store will be located at the North Hills Village shopping center along McKnight Road.
The number of people who are food insecure is rising, and experts have said that it is only going to get worse.
Just when it looked like relief was heading our way at the gas pump, prices could spike once again in Pittsburgh.
A Westmoreland County family said having a secret room is not as cool as it sounds, after finding a large void under their garage built by Ryan Homes
Bubba from 100.7 Star’s "The Bubba Show" brings us the latest celebrity news.
Check out the back-to-school resources available through Allegheny County’s public libraries.
The organizers of the Bona Fide Bellevue Rhythm and Brews festival are here to discuss this year’s festival.
No, they are not. They go head-to-head with this season’s KD Quiz winners!
GBU Life presents a big check to the winning school of the KD Quiz season!
The Pennsylvania Department of Environmental Protection and the Sherwin-Williams Manufacturing Company entered into a consent order and agreement.
A community in Butler County said repeated boil water advisories have them uneasy about their water quality.
An investigation into alleged theft at the North Versailles tax collector's office is underway.
Nearly five months into a major road construction project in Beaver County, several small business owners say they are struggling to keep customers coming through the door.
Opposition to a data center at the back end of an industrial park is growing among residents of Hanover Township, Washington County.
The Pennsylvania measles outbreak isn't slowing down, and one local doctor said Pittsburgh is not immune.
The countdown to the first day of school is on, and now is the time to start making some adjustments.
In a wide-ranging interview with the CBS News partner BBC News, Hunter Biden grew emotional as he discussed his father's condition, describing it as very sad to watch.
Doctors are finding they are faced with questions about health advice from social media, but they caution that you can't always trust what you find.
August 1 is PA Donor Day, a day to bring awareness to organ donation and the countless lives it can save.
Visit Pittsburgh said that the NFL draft brought a record 805,000 people to the city for the three-day event.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
The New York Mets routed the Pittsburgh Pirates 11-1 on Sunday afternoon.
Mark Kulbis is also facing misdemeanor counts of involuntary manslaughter and reckless endangerment in the death of Calvin "CJ" Dickey Jr.
Usually held on Friday to echo the high school football tradition, the Steelers moved the practice to Saturday this year in Latrobe.
Part of the state budget calls for $20 million to go to main street development in communities.
Amtrak is adding a second trip from Pittsburgh to New York later this year, officials said during a public board meeting.
Attention is brewing around a proposed variance for Bethel Bakery to expand its parking.
The organizers of a plan aimed at making Pittsburgh's South Side safer are standing by their efforts.
Data center projects are on municipal drawing boards across the Pittsburgh region, and public opposition is growing.
The popular vocal quintet Pentatonix is returning to Pittsburgh this holiday season.
Joe Manganiello says even when he spent 25 years living in Los Angeles, he always considered Pittsburgh home.
Paramount Skydance on Friday said it would delay the deal until as late as June 2027.
Dave Matthews stopped by a Pittsburgh restaurant before his show at Star Lake on Friday night.
The ruling comes after a coalition of 12 states sued to block the deal, arguing it would harm consumers and the entertainment industry.
KDKA's Bob Pompeani and 93.7 The Fan's Andrew Fillipponi discuss the sports topics of the day.
Get the latest weather forecast from KDKA-TV First Alert Meteorologist Ron Smiley!
Meal planning for the school day has four parts, and they're all important.
Stay on top of the weather in the Pittsburgh area with First Alert Meteorologist Ray Petelin's forecast!
A new report says U.S. Steel could have prevented last year's deadly explosion at its Clairton plant. KDKA's Ricky Sayer 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.
