Climate & Environment

Historic atmospheric river slowly leaves SoCal, but more rain expected next week

Forecasters have warned that with the ground already soaked it will take less rain now to trigger significant damage.

A white SUV drives through a partially flood roadway, sending water splashing.

Evacuation orders issued in SoCal ahead of holiday storm

The orders will go into effect 11 a.m. Tuesday.

A heat map of Southern California showing the rainfall forecast by the National Weather Service Los Angeles/Oxnard. The blue-colored header at the top of the image says "Storm Total Rainfall." The subtitle below it says "Tuesday-Saturday (Dec. 23-27, 2025). The map is colored by expected rainfall. A vertical legend to the left of the map shows a gradient of yellow to orange to purple, with purple indicating the highest amount of rain. Several cities are tagged in the map.

California lowers climate pollution by 3%, report finds

Cleaner fuels in heavy-duty transportation, like big rigs, and its deployment of battery storage and solar energy drove this climate progress.

Typical traffic on a Los Angeles freeway.

Major rainfall now expected for this week. Brace for road and airport delays

The National Weather Service updated its forecast on Saturday, predicting major rainfall to arrive late Tuesday night.

The view through a car window of a rainy LA; there are water drops on the glass, four windblown palm trees are silhouetted against a grey sky, and the Chase sign on a bank building glows white and blue in the eerie light.

Storm heading for SoCal just in time for Christmas week

The atmospheric river is expected to peak around Christmas Eve, with wet weather potentially continuing into the weekend.

A person is holding a clear umbrella, decorated with colorful polka dots, over their head and face, resting on their shoulders. A packed freeway is out of focus in the background, with white headlights facing the camera.

State regulators cut utility companies' profits — but by less than proposed

The decision lowers the investor-owned companies' profits by about 0.3%. It's likely to have a small effect on Southern Californians' energy bills.

18,000 gallons of sewage spill into San Gabriel River, forcing waterway closures in Long Beach

The sewage was accidentally discharged into the San Gabriel River on Tuesday, according to the California Office of Emergency Services.

A man wearing black shorts and a black tshirt runs along a beach on an overcast day

Monarch butterflies can now be tracked with a high-tech solar system

Biologists have attached tiny, solar transmitters to the monarch butterflies, allowing researchers and everyday visitors to help track the butterflies’ movements in real time.

The hydrants will run dry: Trump’s LA fire claims missed the mark, study shows

Echoing state and local officials, a new analysis agrees: hydrant failures in the Palisades fire were ‘the rule rather than the exception.’

A firefighter sprays water from a hose to homes on fire on a street.

Why your skis and snowboard might not get much of a workout this winter

California’s snowpack is about 20% of normal for this time of the year, according to the state’s snow-tracking website.

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A snowboarder catches air atop a freshly groomed snow, as others look on from the chair lifts. The skies are slighly overcast. In the background, there are large swaths of land that are free of snow, underscoring the dry, warm conditions.

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