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.

• 14H ago

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

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.

• Mar 5

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.

• Mar 2

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.

• Feb 23

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.

• Feb 18

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.

• Feb 15

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.

• Feb 12

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