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Feathery white lines of condensation left behind airplanes, known as contrails, add to warming the planet. A new study suggests artificial intelligence could dramatically reduce them.
Their work near the South Pole means camping on the ice without showers or flushing toilets for seven weeks — but what we can learn about climate change there is essential to science.
New data finds the impact of climate change on coastal flooding could increase five-fold by the end of the century, leading to major property and infrastructure losses.
Climate change is an urgent problem in the Arctic. From renewable energy to avalanche protection, here's what we can learn from how people there are protecting their way of life.
Spiking temperatures in the Arctic are rapidly melting glaciers. Scientists are now worried about underground methane, a potent greenhouse gas, leaking up to the surface.
Average temperatures across Earth in 2023 have been dangerously close to the 1.5 degree Celsius warming threshold scientists have long warned would bring significant challenges to people worldwide.
A court says Pennsylvania can't enforce a regulation to make power plant owners pay for their planet-warming greenhouse gas emissions.
Hurricane Otis plowed into Mexico's Pacific coast as a deadly Category 5. Just 12 hours earlier, it was a tropical storm.
The idea is to help replace fossil fuels such as coal and oil with cleaner-burning hydrogen as an energy source, but many environmentalists are skeptical.
A Libyan official who visited Derna said "25% of the city has disappeared," and he expects the final toll to be "really, really big."
The first visualizations showed pollution over western Pennsylvania.
"Climate breakdown has begun," U.N. chief says, adding: "The dog days of summer are not just barking, they are biting."
Temperature records have been breaking all over, as our Earth registers some of the hottest periods ever measured. Experts say it's the "new normal."
A new study by the Center for Climate Integrity is breaking down how much the climate crisis could cost Pennsylvanians.
More than just staff shortages could delay your flight for taking off on time.
With temperatures soaring, how could that impact your travel plans? KDKA's Chris DeRose is digging into that question.
"Climate change is here. It is terrifying. And it is just the beginning," U.N. Secretary-General Antonio Guterres said.
Responses to heavy storms and high temperatures could hit Pennsylvanians in the wallet.
With smoky skies, higher temperatures, and floods, what's going on with these extreme weather events?
John Shumway continues his conversation with the KDKA First Alert Weather Team about all this crazy weather.
Soaring temperatures, droughts, heavy rains, tornadoes, and smoky skies have all of us asking - "What's up with the weather?" So that's the question John Shumway posed to the KDKA First Alert Weather Team.
As temperatures warm, harmful algal blooms will likely blossom even more, posing a threat to wildlife, human health and could even affect drinking water.
Years of keeping fire out of America's forests led to a buildup of dead trees and brush — fuel for today's larger, hotter, more lethal wildfires.
Preliminary measurements had the mercury topping an average of 62.6 degrees worldwide for the first time since records have been kept, an arm of NOAA says.
Youth plaintiffs say warming temperatures are harming their health and threatening their futures as a closely-watched climate trial kicks in Montana.
The Pittsburgh Steelers lost 24-19 to the Cleveland Browns.
Pittsburgh City Council will take a final vote next week to provide free spaying and neutering services with a few tweaks.
The Browns rallied late in the fourth quarter to beat the Steelers 24-19 on Thursday at a snowy Huntington Bank Field in Ohio.
Snow blanketed the field on Thursday during the Pittsburgh Steelers game against the Cleveland Browns.
A teacher who works with deaf children in Western Pennsylvania is facing child pornography charges.
The Pittsburgh area's first flakes of the season have already arrived, but the impactful snow will take over late Thursday night and Friday morning.
Incumbent Sen. Bob Casey on Thursday conceded in the U.S. Senate race in Pennsylvania to Dave McCormick.
Pittsburgh City Council will take a final vote next week to provide free spaying and neutering services with a few tweaks.
The Browns rallied late in the fourth quarter to beat the Steelers 24-19 on Thursday at a snowy Huntington Bank Field in Ohio.
Snow blanketed the field on Thursday during the Pittsburgh Steelers game against the Cleveland Browns.
Incumbent Sen. Bob Casey on Thursday conceded in the U.S. Senate race in Pennsylvania to Dave McCormick.
Bob Casey says he called Dave McCormick to congratulate him for winning the Pennsylvania U.S. Senate race as a recount is underway.
A former Westmoreland County employee was charged with theft after detectives said he ordered unauthorized pay increases.
President-elect Donald Trump announced Gaetz as his nominee to be attorney general last week.
Sen. John Fetterman of Pennsylvania spoke on the pick on social media.
Gas prices in Pittsburgh are starting to fall as our travel picks up around Thanksgiving and Christmas.
Want to check the latest product recalls, click here!
The first Von Maur department store in Pennsylvania has opened at South Hills Village.
Spirit Airlines announced that it has filed for Chapter 11 bankruptcy protection and will attempt to reboot itself.
A pizzeria in Pittsburgh's Oakland neighborhood was hit with a consumer alert.
Pittsburgh Today Live is cooking up something special for the holiday season!
Pittsburgh Magazine's Sean Collier joined us for another exciting edition of the PTL Weekend Guide!
Senior food writer and dining critic for the Pittsburgh Post-Gazette, Hal B. Klein, joined us with a guide to a culinary adventure right here in Pittsburgh.
We love getting nebby and checking out cool houses around town. We got to see Wiz Khalifa's house, which is now on the market in Washington County!
Daisy joined us from Barrett Elementary this morning to check out their creativity when it comes to supporting the KDKA-TV Turkey Fund.
Budget time at City Hall has Pittsburgh City Council scrutinizing Mayor Ed Gainey's proposed spending.
Amid staffing shortages in Pittsburgh EMS, a city program seeks to recruit and train from within the community.
The Ambridge Area School District recently purchased a security system touted for its ability to detect guns and knives.
As tales of scammers swiping tickets from Ticketmaster accounts grow, there are simple yet effective ways to protect your tickets.
With gambling addiction on the rise, thousands of Pennsylvanians have opted to ban themselves from casinos and online sportsbooks.
Two Pittsburgh men are among the first to use a new device to regain movement following a stroke.
Thawing a turkey one week out from Thanksgiving may seem excessive, but it's necessary.
It is vital to find time for your physical well-being, even if it's just for a little bit. That's what we discussed today for our Wellness Wednesday conversation with Dr. Natalie Gentile.
Lattes and other espresso-based drinks may not be available at some McDonald's restaurants due to a glitch with coffee machines.
Pittsburgh EMS workers say they are understaffed and overstretched, racing from one call to the next.
The Pittsburgh Steelers lost 24-19 to the Cleveland Browns.
The Browns rallied late in the fourth quarter to beat the Steelers 24-19 on Thursday at a snowy Huntington Bank Field in Ohio.
Snow blanketed the field on Thursday during the Pittsburgh Steelers game against the Cleveland Browns.
The hunt is still on for the one-of-a-kind Topps Paul Skenes Rookie Debut Patch Autograph card.
Here's how a bar in the Pittsburgh area became a hangout spot for Cleveland Browns fans.
The hunt is still on for the one-of-a-kind Topps Paul Skenes Rookie Debut Patch Autograph card.
Pittsburgh remains at the forefront of the robotics industry.
Spirit Airlines announced that it has filed for Chapter 11 bankruptcy protection and will attempt to reboot itself.
Giant Eagle has opened a new grocery store in Pittsburgh's Westwood neighborhood.
The latest economic data shows consumer prices rose slightly in October, which is impacting people's holiday budgets.
Jay Leno was badly injured in Greensburg when the 74-year-old comedian fell down a hill.
Post Malone, Jelly Roll, and Sierra Ferrell are hitting the road for 25 shows across the United States and Canada.
The leader of a New York City church where pop star Sabrina Carpenter filmed scenes for a music video has been stripped of his duties.
The first 10 names entering the Pittsburgh Walk of Fame could be announced as soon as next fall.
The much-hyped fight pitting the 58-year-old Tyson against Paul, 27, shattered records but was marred by tech glitches.
People who trap neuter and release community cats in city neighborhoods are scratching their heads because they're unhappy with some of the changes.
KDKA-TV's Ricky Sayer has more on the first snow of the season in the Pittsburgh area.
Get the latest weather updates with First Alert Meteorologist Ray Petelin's forecast.
The hunt is still on for the one-of-a-kind Topps Paul Skenes Rookie Debut Patch Autograph card, with the potential to trade the card for 30 years of Pirates season ticket behind home plate. KDKA-TV's Chilekasi Adele visits a shop in Cranberry Township.
An eatery in Pittsburgh, Pennsylvania, is among the 100 best in America for 2024, according to OpenTable.
The Pittsburgh Steelers lost 24-19 to the Cleveland Browns.
The Steelers beat the Ravens 18-16 at Acrisure Stadium in Pittsburgh.
Firefighters battled a massive fire at Riley's Pour House, a popular Irish pub in Carnegie, on Thursday.
Kamala Harris and Donald Trump held rallies in Pittsburgh on the eve of Election Day.
No. 4 Ohio State went to State College and came away with a win.
