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Cows stand in a feed barn at Hallstead Farms in Lexington, Ky., in February. Although the U.S. cattle herd size has shrunk in recent decades, U.S. beef production has remained strong, partly because cattle now weigh hundreds of pounds more than they did in the 1950s.

Why the U.S. cattle herd is at a 75-year low — and what it means for beef prices

The overall number of U.S. beef and dairy cattle has shrunk to its lowest level since 1951. Drought, rising operating costs and increased consolidation are among the causes.

Mark Ragsdale refills a stock tank, July 17, 2026 in Redvale, Colo.

As extreme heat grips the South and West, here's how to stay safe

Experts say immersion in cold water before an ambulance arrives can greatly increase the chances of heat stroke survival and reduce the risk of long-term complications.

Haze from Canadian wildfires blankets the Manhattan skyline as seen from the Top of the Rock Observation Deck on July 16, 2026 in New York City.

Dangerous wildfire smoke continues to blanket parts of the U.S.

Orange skies and heavy smoke covered large parts of the U.S. on Thursday as Canada and Minnesota grapple with wildfires. Hazardous air quality is expected to continue.

Lima, Peru's beach is bathed in unseasonal winter sunshine as scientists predict a "Godzilla" El Niño.

Scientists warn 'Godzilla' El Niño could intensify climate impacts worldwide

Peru's capital, Lima, is sweltering, with unusually warm winter sunshine and ocean waters. Scientists warn that a record-breaking "Godzilla" El Niño may be forming, driven by climate change.

Firefighters tackle a blaze as wildfires rage near Le Las, outside Bordeaux, France, Monday, July 27, 2026.

With wildfires raging in France and Spain, fire crews race against next heat wave

French authorities ordered nearly 4,000 people evacuated Tuesday from tourist sites on the Atlantic coast as returning heat threatened firefighters' fragile hold on a vast wildfire west of Bordeaux.

The building site for the Project Jupiter data center in Doña Ana County, New Mexico

Worries over water as a giant data center moves into the New Mexico desert

Developers say there's plenty of water for a giant data center in southern New Mexico. Some locals are skeptical.

Camp Widjiwagan submerged some of their canoes in lake waters to protect them from the wildfires.

Climate change is now threatening a pillar of childhood: summer break

When summer rolls around, many parents scramble to sign up their young kids for outdoor activities. But what do you do when extreme heat and wildfire smoke increasingly make the outdoors dangerous?

Grasses and flowers grow in a San Diego yard, July 6, 2026.

San Diego pollen allergies now among worst for major US cities

A recent report shows San Diego is now the second most challenging large city for those who suffer from tree, grass or weed pollen allergies.

School children walk through the shallows past submerged and abandoned school buildings at the El Molo Bay primary school in Komote, Kenya. Teachers at the school say the buildings have become a breeding ground for crocodiles.

The biggest permanent desert lake threatens with rising waters and hungry crocs

Kenya's Lake Turkana is the world's largest permanent desert lake. Its waters have long sustained hundreds of thousands. Now the lake is facing multiple threats — and threatening those who rely on it.

A grizzly sow and cub graze in an open meadow on June 2, 2016.

They’re on our flag, but do long-gone grizzly bears belong in modern California?

Democrats are advancing a bill over objections from rural residents, ranchers and Republicans that would study whether California should bring back grizzly bears.

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