The U.S. just had its hottest summer on record, NOAA says

Average temperatures across the U.S. soared to record heights between June and August in 2026, a new report found.

• Sep 9

"Supersized" El Niño's harshest weather ahead includes heat, drought, floods

A new forecast predicts with almost 100% certainty that El Niño will remain in place until early 2027, peaking later this year.

• Sep 3

More than 1,000 missing, including 65 Americans, as Nepal flood deaths mount

More than 1,000 people, including many Americans, are still missing along the Nepal-China border after deadly floods and mudflows likely triggered by a glacial collapse.

• Aug 27

Nepal flood highlights glacier risks in warming Himalayas: "The new normal"

The deadly flash flood in Nepal was likely caused by a huge chunk of a glacier that broke off and temporarily dammed a river, according to preliminary investigations by scientists.

• Aug 27

A summer of extremes: Weathering a hotter world

July was the hottest month ever in the Lower 48 States – another escalation of our world into a hotter, more dangerous planet, where extreme weather events – such as heat waves, wildfires and hurricanes – will become more common and more extreme.

• Aug 16

A summer of extremes: Weathering a hotter world

July was the hottest month ever in the Lower 48 States, breaking a record last set during the Dust Bowl – just another step in the escalation of our world into a hotter, more dangerous planet. Correspondent Jonathan Vigliotti talks with climate journalist Jeff Goodell and atmospheric scientist Maria Molina about how changes in Earth's climate are increasing the likelihood that extreme weather events – such as heat waves, wildfires and hurricanes – will become more common and more extreme.

• Aug 16
• 7:38

Record-breaking heat takes mounting toll on the U.S. economy

Heat waves are dealing a financial blow to businesses and creating hazardous conditions for workers, according to climate experts.

• Aug 13

Contiguous U.S. breaks its record for hottest month ever, NOAA says

Temperatures last month averaged 76.9 degrees Fahrenheit as above-average warmth blanketed the U.S.

• Aug 10

3 states would face Colorado River water cuts under federal plan

Arizona, California, and Nevada would take less water from the Colorado River under a federal proposal to stave off a crisis in the river.

• Jul 31

Battle against monster wildfire in France boosted by improving weather

George and Amal Clooney are among thousands of residents in southwest France still displaced by a massive wildfire, but crews are gaining control.

• Jul 30

The biggest weather risk for homeowners? It's no longer hurricanes.

Severe "convective" storms account for roughly a third of global natural disaster economic losses, a new study finds.

• Jul 28

U.S. mom and kids trapped by French wildfire: "Such an unstable situation"

A mother from Tennessee slept through wildfire evacuation operations in southwest France, and now she's trapped with her kids as the blaze threatens the city Bordeaux.

• Jul 27

Colorado River reservoirs hit record lows as government threatens major cuts

It's a moment of reckoning in the drought-stricken West as seven states can't agree on how to share the rapidly shrinking water supply.

• Jul 26

Climate change to obliterate $1.5 trillion in U.S. home values

More than 5 million Americans will leave areas being impacted by climate change this year, according to study.

• Jul 22

Climate extremes fuel explosive wildfires in Canada and western U.S.

One climatologist said "a perfect storm" of climate extremes primed the western U.S. for one of its worst fire seasons in a decade. Meanwhile, Canadian wildfire smoke fills the air.

• Jul 16

Heat waves push more Europeans to embrace air conditioning

Only 20% European homes have AC, compared to 90% in the U.S., but as the climate changes, that vast gulf may be set to shrink.

• Jun 29

Paris bans alcohol in public amid record-breaking heat wave

Authorities are attempting to reduce the pressure on hospitals as the city swelters under extreme heat.

• Jun 26

El Niño could bring more widespread coral bleaching, NOAA warns

The expected arrival of El Niño this summer could trigger another mass coral bleaching event, which would be the fifth on record, researchers said.

• Jun 3

Emperor penguins in focus as Antarctica talks start in Japan

Greater protections for endangered emperor penguins and how to manage growing tourism are topping the agenda at talks on Antarctica in Japan.

• May 12

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.

• Apr 22

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.

• Apr 19

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.

• Apr 9

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.

• Apr 9

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.

• Apr 8

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.

• Mar 21

Show More