New report ranks the cleanest and most polluted U.S. cities
The new report evaluated air quality in different parts of the country by measuring the presence of ozone and particle pollution in the atmosphere.
ClimateWatch: Climate Change News & Features
Using the ocean to power data centers
The renewable energy company Panthalassa says it has a solution to the proliferation of AI data centers, which consume massive amounts of energy and are the cause of increased carbon pollution: sea-based data centers, powered by wave energy.
March smashed heat records in several ways, federal data shows
Last month was the hottest March on record for the Lower 48 states, by the most for any month ever, federal data shows. And a forecast El Niño could heat Earth even more.
Emperor penguins listed as endangered species
The emperor penguin has been declared an endangered species as climate change pushes the icon of Antarctica a step closer to extinction, the global authority on threatened wildlife says.
EPA chief Lee Zeldin tells climate skeptics to "celebrate vindication"
The head of the Environmental Protection Agency on Wednesday defended his decision to repeal the legal determination that serves as the basis for federal rules to slow climate change.
The West's historic snow drought could bring water shortages, wildfires
The western United States experienced a severe snow drought this year, threatening the region's water supply and potentially setting the stage for its wildfire season.
Sea levels higher than thought due to "methodological blind spot," study says
A new study in the journal Nature says most sea level rise research may have underestimated coastal water heights by an average of 1 foot.
El Niño could return this year and make Earth even hotter
The weather phenomenon known as El Niño could form later this year, potentially pushing global temperatures to record heights, researchers say.
Supreme Court to weigh energy companies' bid to end state climate change suits
The Supreme Court agreed to take up an effort by energy companies to end a lawsuit filed in state court that seeks billions of dollars in damages.
In a first, shark seen on camera in Antarctica waters, surprising researchers
A large shark was caught on camera for the first time in Antarctica's waters, surprising researchers. "There's a general rule of thumb that you don't get sharks in Antarctica," one said.
How Washington's crossing of the Delaware presaged a changing world
On the evening of Christmas 1776, Gen. George Washington surprised the King's forces by leading the Continental Army in a surprise crossing of a near-frozen Delaware River - a watershed military maneuver that dramatized a changing America, and a changing climate.
Trump's EPA revokes the "endangerment finding." Here's what to know.
The Trump administration says greenhouse gases emitted from sources like cars, trucks and power plants will no longer be regulated by the federal government.
"Black carbon" in Arctic an increasing concern amid other issues in region
"Black carbon," or soot, that spews from ships and makes the Artic Ocean ice melt even faster is an increasing concern in a region beset with many other issues.
Wildfire smoke pollution linked to 24,100 U.S. deaths per year, study finds
"Our message is: Wildfire smoke is very dangerous. It is an increasing threat to human health," said a study author.
Scientists "quite surprised" to find one polar bear population thriving
After decades monitoring polar bears in Norway's far north, researchers say the animals have proven incredibly adaptable, but there are no guarantees for the future.
Winter storm doesn't disprove climate change, despite Trump's claim
President Trump cited a major winter storm as evidence to suggest that global warming does not exist — a misleading claim that has been consistently debunked by climate experts.
World is entering era of "water bankruptcy," U.N. report warns
Water sources are being depleted faster than they can be restored, according to a new report from United Nations researchers.
Massive bluefin tuna fetches record $3.2 million at Tokyo auction
A massive 535-pound bluefin tuna sold for a record 510 million yen ($3.2 million) at the first auction of 2026 at Tokyo's Toyosu fish market.
2025 was so hot it pushed Earth past critical climate change mark
2025 was the third hottest year on record and pushed Earth past a critical climate change mark, scientists say.
Major climate research center on Trump administration chopping block
The Trump administration intends to dismantle one of the world's leading climate research institutions, in Boulder, Colorado, over what it said were concerns about "climate alarmism."
Arctic temperatures rising twice as fast as elsewhere, NOAA report says
Temperatures in the Arctic continue to follow a long-term warming trend, according to the National Oceanic and Atmospheric Administration.
Researchers lower estimate of drop in global income due to climate change
The researchers, writing in the journal Nature in 2024, had forecast a 19% drop in global income by 2050. Their revised analysis puts the figure at 17%.
SpaceX launches second satellite to monitor sea level changes
The Sentinel-6B is the second of two satellites in a $1 billion program to monitor sea levels over a full decade.
As Trump skips U.N. climate summit, Newsom hurls criticism from Brazil
The Trump administration sent nobody to the U.N. global climate summit, leaving California Governor Gavin Newsom to ask, "What the hell is going on here?"
U.N. climate talks start in Brazil: "We need to accelerate the fight"
U.N. climate negotiations get underway in Brazil, with leaders urging urgency and cooperation to curb global warming. The Trump administration is not participating.
Science
Science
From 1990: NASA launches Hubble Telescope
On April 24, 1990, NASA launched the Hubble Space Telescope from the Space Shuttle Discovery after seven years of delays. Watch CBS News' coverage from that day.
60-foot octopus ruled the seas during age of dinosaurs, fossils show
New analyses of fossilized jaws reveal that massive, kraken-like octopuses once hunted alongside other marine predators.
Mysterious "golden orb" found in deep sea in 2023 is finally identified
Scientists spent over two years identifying a mysterious object found off the coast of Alaska in 2023.
Salmon exposed to cocaine swim almost twice as far, study shows
Researchers studied how the drug affected the movements of wild fish in their natural habitats.
Mars rover carries out chemistry experiment never done beyond Earth
"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity mission.
Cementing a more sustainable alternative to concrete
The process of making 30 billion tons of concrete every year produces more carbon pollution than all the world's ships and planes put together. Now, the North Carolina and Denmark-based Biomason is using biotechnology, including naturally-occurring microbes, to create "biocement" that's just as sturdy but emits much less CO2. David Pogue reports.
Breeding a better bread
Over the past century, the cultivation and processing of wheat has led to strains of grain that are less nutritious, less flavorful, and more vulnerable to climate change. The researchers at Breadlab, at Washington State University, are trying to breed varieties of whole grains that are better for farmers, consumers – and taste buds. David Pogue reports.
Using the ocean to power data centers
The renewable energy company Panthalassa says it has a solution to the proliferation of AI data centers, which consume massive amounts of energy and are the cause of increased carbon pollution: sea-based data centers, powered by wave energy.
Using the ocean to power data centers
The renewable energy company Panthalassa says it has a solution to the proliferation of AI data centers, which consume massive amounts of energy and are the cause of increased carbon pollution: sea-based data centers, powered by wave energy. Correspondent David Pogue examines what Panthalassa's alternative to land-based data centers may mean.
First major forecast for 2026 Atlantic hurricane season is released
Colorado State University has released its annual Atlantic hurricane forecast, predicting 13 named storms and six hurricanes may develop during the 2026 season.
Creature thought to be world's oldest octopus isn't an octopus after all
Scientists have found evidence that a 300-million-year-old sea creature previously thought to be the world's oldest octopus is actually a nautilus relative.
March smashed heat records in several ways, federal data shows
Last month was the hottest March on record for the Lower 48 states, by the most for any month ever, federal data shows. And a forecast El Niño could heat Earth even more.
Emperor penguins listed as endangered species
The emperor penguin has been declared an endangered species as climate change pushes the icon of Antarctica a step closer to extinction, the global authority on threatened wildlife says.
Stunning photos from Artemis II show Earth, moon, eclipse from space
The astronauts aboard Artemis II are the first humans to see some parts of the far side of the moon with the naked eye.
Artemis II astronauts speak during historic lunar mission
On Monday, the astronauts aboard the Artemis II spacecraft will loop around the Moon's far side, part of a mission pushing human beings farther from Earth than anyone has ever been. Correspondent Mark Strassmann talked with commander Reid Wiseman, pilot Victor Glover, and mission specialists Christina Koch and Jeremy Hansen as the crew was about 180,000 miles from home, preparing for their historic lunar flyby.
U.S.
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The Iran war's economic hit could linger through 2026, economists say
Economists say Americans should expect elevated prices at the pump and rising grocery costs in the months to come.
Exclusive
White House mulls using Defense Production Act in Spirit Airlines takeover
President Trump is open to some type of federal action, several sources told CBS News, and he has said publicly he'd "do it to save the jobs."
Trader Joe's customers sue over coffee's caffeine levels
Consumers allege that Trader Joe's improperly advertised a coffee product as fully caffeinated when it was not.
Appeals court blocks Trump's asylum crackdown at U.S.-Mexico border
A three-judge appellate panel agreed with a lower court ruling that the Trump administration can't put aside laws allowing individuals to apply for asylum.
IEA says Iran war will keep the natural gas market tight for two years
The conflict is expected to crimp global natural gas supplies due to damage to liquefied natural gas facilities in Qatar.
MoneyWatch
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Naval escorts will likely be needed when Strait of Hormuz reopens, Chevron CEO says
Commercial vessels face risks from mines and threats from land, Chevron's chief executive Mike Wirth said in an interview with "Face the Nation" moderator Margaret Brennan.
The Iran war's economic hit could linger through 2026, economists say
Economists say Americans should expect elevated prices at the pump and rising grocery costs in the months to come.
Trump extends Jones Act waiver for another 90 days
The waiver lets international ships carry goods between U.S. ports and is aimed at lowering energy prices.
Trader Joe's customers sue over coffee's caffeine levels
Consumers allege that Trader Joe's improperly advertised a coffee product as fully caffeinated when it was not.
IEA says Iran war will keep the natural gas market tight for two years
The conflict is expected to crimp global natural gas supplies due to damage to liquefied natural gas facilities in Qatar.
Politics
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Ben Sasse is on extended time. He credits "providence, prayer and a miracle drug."
The former U.S. senator from Nebraska opened up about his terminal diagnosis, his family and the state of American politics in a "Things That Matter" town hall.
Trump extends Jones Act waiver for another 90 days
The waiver lets international ships carry goods between U.S. ports and is aimed at lowering energy prices.
Exclusive
Johnson & Johnson to launch on TrumpRx with 4 of its prescription drugs
Drug-making giant Johnson & Johnson will officially start marketing four of its medications on the Trump administration's TrumpRx website on Friday, CBS News exclusively learned.
Exclusive
White House mulls using Defense Production Act in Spirit Airlines takeover
President Trump is open to some type of federal action, several sources told CBS News, and he has said publicly he'd "do it to save the jobs."
Appeals court blocks Trump's asylum crackdown at U.S.-Mexico border
A three-judge appellate panel agreed with a lower court ruling that the Trump administration can't put aside laws allowing individuals to apply for asylum.
HealthWatch
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Ben Sasse is on extended time. He credits "providence, prayer and a miracle drug."
The former U.S. senator from Nebraska opened up about his terminal diagnosis, his family and the state of American politics in a "Things That Matter" town hall.
Exclusive
Johnson & Johnson to launch on TrumpRx with 4 of its prescription drugs
Drug-making giant Johnson & Johnson will officially start marketing four of its medications on the Trump administration's TrumpRx website on Friday, CBS News exclusively learned.
Medigap premiums leap, and consumers have few alternatives
Millions of people rely on the supplemental insurance to offset the deductibles, copayments, and other costs faced by enrollees in the traditional Medicare program.
Food stamp work rules don't increase employment, researchers say
Work requirements will encourage people who are able to work to seek and maintain jobs, proponents say. But researchers haven't found that they lower the unemployment rate.
New CDC pick may face "threat to follow ideology over evidence," ex-official says
Former Trump Surgeon General Dr. Jerome Adams described Dr. Erica Schwartz as a "home run pick."
World
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Naval escorts will likely be needed when Strait of Hormuz reopens, Chevron CEO says
Commercial vessels face risks from mines and threats from land, Chevron's chief executive Mike Wirth said in an interview with "Face the Nation" moderator Margaret Brennan.
Netanyahu says he was treated for early-stage prostate cancer
Israeli Prime Minister Benjamin Netanyahu says the successful operation for prostate cancer happened 18 months ago and that he is now in "excellent physical condition."
Live
Witkoff, Kushner to head to Pakistan for new Iran peace talks
While the U.S. sends representatives to Islamabad, Israel's fight with Hezbollah continues despite a ceasefire.
60-foot octopus ruled the seas during age of dinosaurs, fossils show
New analyses of fossilized jaws reveal that massive, kraken-like octopuses once hunted alongside other marine predators.
Hegseth says U.S. blockade of Iranian vessels to continue for "as long as it takes"
Hegseth indicated during a Pentagon news conference that the Trump administration is in no hurry to reach a peace deal as the war continues.
Entertainment
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Entertainment
Extended interview: Don Cheadle
Oscar-nominated actor Don Cheadle has appeared in more than 100 films and TV shows. But it had been a quarter-century since he appeared on stage in the Off-Broadway hit "Topdog/Underdog," until he made his Broadway debut this spring in a revival of "Proof." In this web exclusive, he talks with Tracy Smith about the lessons of his parents; catching the "theater bug" as a child; the "hamster wheel" of an actor's career; and his emotional investment in works like "Hotel Rwanda."
Rob and Michele Reiner's son, Jake, speaks out about his parents' deaths: "My world, as I knew it, had collapsed"
Jake was at the funeral for one of his closest friends when he learned of his parents' deaths, he said.
Ellen Burstyn reflects on impact of poetry
Ellen Burstyn, known for her Oscar-winning role in "Alice Doesn't Live Here Anymore," has spent seven decades in Hollywood, but she tells "CBS Mornings" that poetry has also shaped her life as she discusses her new book "Poetry Says It Better."
"Survivor" castaway on elimination from game
(Spoilers ahead) "CBS Mornings" speaks with the latest eliminated contestant from "Survivor 50" about exiting the game, strategy and transitioning to the jury.
"Giant" explores Roald Dahl scandal
"Giant," which is now on Broadway, dramatizes a real-life scandal that stained the legacy of world-famous children's author Roald Dahl. Anthony Mason spoke to John Lithgow, who stars in the play, and playwright Mark Rosenblatt.
Technology
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Technology
Why phone-free parties are gaining popularity
Some young people are opting to go phone-free to live in the moment. USA Today youth mental health reporter Rachel Hale went to an underground, phone-free party in New York City and wrote about her experience. She tells "The Daily Report" about it.
Meta to cut 8,000 jobs as it charges into AI
Meta plans to lay off roughly 10% of its workforce as the technology giant steps up its spending on artificial intelligence.
How AI powered robots are helping small farms
From labor shortages to environmental impacts, farmers are looking to AI to help revolutionize the agriculture industry. One California startup, Farm-ng, is tapping into the power of AI and robotics to perform a wide range of tasks, including seeding, weeding and harvesting.
Victim has "nothing left" as AI fuels a surge in crypto fraud schemes
One woman's entire life savings was stolen from her by sophisticated scammers who used artificial intelligence to perfectly manipulate her.
How to dispose of e-waste this Earth Day
Tuesday marks Earth Day, and if you have any unused devices at home, there are green ways to dispose of them. CNET senior technology reporter Abrar Al-Heeti joins CBS News to discuss.
Science
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Science
From 1990: NASA launches Hubble Telescope
On April 24, 1990, NASA launched the Hubble Space Telescope from the Space Shuttle Discovery after seven years of delays. Watch CBS News' coverage from that day.
60-foot octopus ruled the seas during age of dinosaurs, fossils show
New analyses of fossilized jaws reveal that massive, kraken-like octopuses once hunted alongside other marine predators.
Mysterious "golden orb" found in deep sea in 2023 is finally identified
Scientists spent over two years identifying a mysterious object found off the coast of Alaska in 2023.
Salmon exposed to cocaine swim almost twice as far, study shows
Researchers studied how the drug affected the movements of wild fish in their natural habitats.
Mars rover carries out chemistry experiment never done beyond Earth
"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity mission.
Crime
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Crime
Mom charged after son injures Vietnam vet
A California teen on an electric motorcycle critically injured a pedestrian, and now the boy's mother could now face years in prison. Jonathan Vigliotti explains.
DOJ permits death by firing squad
Death by firing squad is now reinstated in U.S. federal cases, according to a new policy announced on Friday by the Trump administration.
Polymarket on soldier arrest: "The system works"
A U.S. special forces soldier was arrested Thursday for allegedly using confidential government information to make more than $400,000 off the arrest of former Venezuelan President Nicolás Maduro on Polymarket. CBS News homeland security correspondent Nicole Sganga has the details. Then, Dennis Kelleher, CEO of financial regulation nonprofit Better Markets, joins with analysis.
Missing Florida student found dead, arrest made
One of two missing University of South Florida doctoral students was found dead, and a roommate was taken into custody, police said on Friday.
Louisiana mall shooting, Jazz Fest plot
One person died, and five others were injured after a shooting at a Louisiana mall, officials said. This comes as more details emerge about an apparent mass shooting plot at New Orleans' Jazz Fest. CBS News' Anna Schecter reports.
Space
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Mars rover carries out chemistry experiment never done beyond Earth
"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity mission.
Blue Origin New Glenn rocket puts satellite payload into wrong orbit
The launching appeared to go off without a hitch, but a problem prevented the rocket's upper stage from putting its payload into the correct orbit.
Artemis II crew on historic moon mission and what it means for Earth
"We are carrying back everything we learned, not only about where we went but ourselves," mission specialist Christina Koch told "CBS Evening News" anchor Tony Dokoupil.
Artemis II astronauts still awed by moonshot experience: "It was otherworldly"
The four Artemis II astronauts struggled to describe the view and overall experience of flying around the moon's far side and witnessing a solar eclipse in deep space.
"God of chaos" asteroid will pass close to Earth in 3 years, NASA says
People on the ground in the Eastern Hemisphere will be able to observe the asteroid with their own eyes, weather permitting, according to NASA.
Latest Galleries
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Notable Deaths in 2026
A look back at the esteemed personalities who've left us this year, who'd touched us with their innovation, creativity and humanity.
Evidence in the Barbara Kendhammer case
Does the evidence show a cover-up, or was Todd Kendhammer wrongfully convicted for the murder of his wife?
The life & near death of prizefighter Christy Salters-Martin
Christy Salters-Martin dominated in the boxing ring but faced her toughest challenger at home.
Timeline: The disappearance of George Smith
Family seeks answers in death of newlywed who disappeared in 2005 while on Mediterranean honeymoon cruise.
Who is Alix Tichelman?
Meet the tattooed beauty charged in the death of Google executive Forrest Hayes.
Latest CBS News Videos
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Latest CBS News Videos
Employers boosting entry-level hiring: data
After years of steady decline, a new survey finds employers expect to boost new graduate hires by more than 5% this spring compared to the same time last year. LinkedIn career expert Catherine Fisher joins "The Daily Report" to discuss.
Soccer star inspires young girl just like her
Nine-year-old Hayden Stine was born without most of her right arm. When she went to a Denver Summit women's soccer home opener, she saw a player, Carson Pickett, just like her. Steve Hartman goes "On the Road" with a story about the importance of role models.
Why phone-free parties are gaining popularity
Some young people are opting to go phone-free to live in the moment. USA Today youth mental health reporter Rachel Hale went to an underground, phone-free party in New York City and wrote about her experience. She tells "The Daily Report" about it.
Iran war tolling weapons stockpiles: analysis
An analysis from the Center for Strategic and International Studies finds the U.S. "may have expended more than half of the prewar inventory" of at least four key munitions, including Tomahawk missiles. CBS News national security contributor Sam Vinograd has more.
Mom charged after son injures Vietnam vet
A California teen on an electric motorcycle critically injured a pedestrian, and now the boy's mother could now face years in prison. Jonathan Vigliotti explains.