Unprecedented ocean temperatures "much higher" than predicted, experts warn
NOAA warned in late June that half of the world's oceans may experience marine heat wave conditions by September.
ClimateWatch: Climate Change News & Features
How do El Niño and La Niña affect temperatures?
A massive heat wave is putting nearly 100 million people under intense triple-digit heat in the coming days. Here's how El Niño is contributing to the high temperatures.
World just sweltered through its "hottest week on record," U.N. says
Researchers estimate that 61,672 people died due to the heat between June and September, with 11,600 deaths in one particularly intense week alone.
Almost two-dozen killed as monsoon rains inundate northern India
At least 22 people have been killed as punishing rains spark flash floods and landslides, submerging roads and sweeping away homes.
Floods and landslides kill at least 50 as monsoon rains lash Pakistan
At least 8 children are among the dead in Pakistan, where scientists say climate change is fueling more intense monsoons.
Earth sees third straight hottest day on record, though it's unofficial
One climate scientist called the marks more "evidence ... that global warming is pushing us into a hotter future."
Monday was Earth's hottest day on record, initial measurements show
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.
Carbon capture technology: Costly distraction or clean energy's future?
If new Environmental Protection Agency rules take effect, most fossil fuel-burning plants may be compelled to implement carbon capture technology.
How a silent robot fish could help ocean researchers
A robot fish named Belle could be the "spy on the marine life" that researchers have been looking for.
Scientists warn rapid melting of Himalayan glaciers will impact us all
Climate and water experts say every person on the planet should be worried about the dizzying rate at which glaciers in the Himalayas are melting.
U.N. adopts first-ever treaty to govern the lawless high seas
The high seas treaty, once ratified by individual nations, will govern the use of international waters in a bid to protect ecosystems and head off disputes.
Cyclone named "disaster" slams into India's and Pakistan's coastlines
The South Asian nations evacuated more than 170,000 people from coastal areas ahead of Cyclone Biparjoy's arrival.
India and Pakistan brace as "very severe" Cyclone Biparjoy closes in
Experts say the world's warming oceans, including the Arabian Sea where Cyclone Biparjoy is churning, are producing more and more powerful storms.
How climate change is raising the cost of food
Hotter, drier weather is already wreaking havoc on European crops, and is predicted to boost food prices in the U.S.
Greta Thunberg says she's graduating from school strikes for climate
Young Swedish activist Greta Thunberg says a major landmark in her life means she'll "no longer be able to school strike for the climate."
El Niño is officially here
El Niño's return could bring much more rain to Southern California later this year and drier conditions in the Pacific Northwest.
What caused the 2023 Canada wildfires?
The first six weeks of Canada's 2023 wildfire season put it on track to be its most destructive in history.
Debt limit deal would allow completion of West Virginia gas pipeline
Critics say allowing the Mountain Valley Pipeline to be fast-tracked would be a "colossal error" after a history of construction complaints and the impacts of its potential emissions.
Arnold Schwarzenegger on demanding a cleaner environment: "That's my crusade"
At 75, an age when most people are retired, Arnold Schwarzenegger is still an action hero, battling bad guys on screen and addressing climate pollution in real life.
Hurricanes and climate change: What's the connection?
Science tells us there's a connection between hurricanes and climate change. But how strong is it? And what can we expect for the future?
Meet the startup "growing" mushroom caskets and urns
Cemeteries are known to potentially contaminate soil and water, and cremation can unleash pollutants in the air. A new startup says mushrooms could be the key to "a new story."
Italy leads revolt against Europe's electric vehicle transition
PM Giorgia Meloni's far-right government tried and failed to block EU plans to ban all new fossil fuel-powered cars by 2035, but it's not giving up the fight entirely.
Will France's flight ban help fight climate change? It's up in the air.
Under France's new ban, flights that can be replaced by a train journey of under two-and-a-half hours should be scrapped.
Proposal aims to cut use of drought-stricken Colorado River
The Colorado River proposal from Arizona, California and Nevada aims to conserve at least 3 million acre-feet of water through the end of 2026.
Climate activists pour charcoal into Trevi Fountain
Video shows protesters pouring "vegetable charcoal" into the iconic Rome fountain's waters before holding up signs against the continued use of fossil fuels, a major contributor to global warming.
Science
Arctic seals, most bird species on new list of threatened species
One bright spot is green sea turtles, which have recovered substantially, the IUCN said as it released its latest Red List of Threatened Species.
Bear injures 2 in Japanese grocery store, man killed in separate attack
As Japan faces rising human-bear encounters, an animal trapped in a grocery store injured two men, while a separate reported mauling proved fatal.
Interstellar comet passing by Mars seen in rare images
The images taken by two Mars orbiters show a bright, fuzzy white dot of the comet, also known as 3I/ATLAS, appearing to move against a backdrop of distant stars.
Nobel in Physics goes to 3 scientists for work on quantum technology
One of 2025's three Nobel Prize in Physics winners says the trio's work is "one of the underlying reasons that cellphones work.''
Bill Nye warns U.S. could "cede leadership to other countries" if NASA budget is cut
Bill Nye the Science Guy on Monday protested against a federal budget proposal that would see NASA's funding reduced from $24 billion to $18.8 billion.
3 scientists win Nobel Prize in medicine for discoveries in immunology
Nobel Prize committee chair says discoveries by the trio of researchers were "decisive for our understanding of how the immune system functions."
Supermoon will appear tonight. Here's what to know.
The first supermoon of 2025 will arrive soon. Here's what to know about the phenomenon.
Mysterious planet is gobbling 6 billion tons of gas and dust a second
ESO's Very Large Telescope has observed a rogue planet and revealed that it is eating up gas and dust from its surroundings at a rate of 6 billion tons a second.
Saturn's moon shows favorable conditions for life: "Simply phenomenal"
Enceladus has long been considered a prime candidate in the search for life beyond Earth because of its hidden ocean and plumes of water erupting from cracks near its south pole.
From the archives: Naturalist Jane Goodall
Famed naturalist Jane Goodall, who dedicated her life to studying chimpanzees and protecting the environment, died on Wednesday, Oct. 1, 2025 at age 91. In this Oct. 24, 2021 "Sunday Morning" profile, she talked with Seth Doane about her fascination with animals, her groundbreaking work with primates, and her advocacy for a more sustainable future.
Bermuda braces for Hurricane Imelda after a brush with Humberto
The outer bands of Humberto lashed Bermuda ahead of a more direct pass from the newer and stronger Hurricane Imelda.
Why crickets are as good as a thermometer
The chirping of crickets in your backyard can be a soothing seasonal sound, but did you know it's also an accurate way to tell the temperature – if you know the mathematical formula? Robert Krulwich and puppeteer Barnaby Dixon explain.
Million-year-old skull could rewrite human evolution timeline
The findings have the potential to resolve the longstanding "Muddle in the Middle" of human evolution, researchers said.
Sub discovers unexploded Nazi bombs teeming with marine life
The study's author said "there is some irony" in the discovery that these "things that are meant to kill everything are now attracting so much life."
Why humans love talking to pets
Scientist and professor Justin Gregg joins "CBS Mornings" to discuss his new book, "Human-ish: What Talking to Your Cat or Naming Your Car Reveals About the Uniquely Human Need to Humanize." He explains why we talk to pets, name objects, and even connect with inflatable tube men — and what that reveals about human nature.