Climate & Environment

Fat Bear Week is here early, and the bears are fat and playful

The famous bears of Alaska's Katmai National Park are enjoying an abundance of salmon, and even some playtime, as they pack on pounds to prepare for the winter.

After weeks of warm and muggy weather in SoCal, rain is coming, followed by a cool down

Southern California might see some light rain tonight into Wednesday morning. After that, cooler weather is on the way, but expect the humidity to remain.

Gray clouds dominate the sky, with the sun's rays breaking through. A palm tree and other foliage are seen in silhouette.

Warm weather and cloudy mornings continue for SoCal

We'll see highs in the mid 80s to mid 90s across the region.

A grouping of various tall office buildings some with white facade, others filled with windows, and one that's brown. There are palm trees sticking out from the bottom of frame.

Wildfire smoke is killing Americans. A new study quantifies how much

More intense future wildfires, fueled by further climate change, could lead to 70,000 deaths from smoke exposure a year, according to a new study.

Newsom taps climate ‘architect’ to lead California air board as Trump fights heat up

At the state’s top air regulator, Lauren Sanchez will replace Liane Randolph, taking the helm as California battles Trump, rising costs and the future of its climate agenda.

A row of people sit at a long dais, behind them are two large screens. Many people are pictured from behind, facing the dais.

This young Altadenan wants to preserve the stories of Altadena’s trees

By some estimates, Altadena lost more than half of its tree canopy in the wake of the Eaton Fire. One young Altadenan wants us to share our stories about them.

A young woman with light brown skin and curly brown shoulder-length hair wears a black t-shirt that reads "altadena" in white lettering and dark jeans. She sits on a stump in an empty dirt lot under an overcast sky.

5 lessons from this Hermosa Beach house that generates more energy than it uses

Robert Fortunato's Green Idea House is one of the first net-zero energy case study houses built for less cost than standard construction.

A three-story house surrounded by lush greenery with a bright blue sky above it

An interstellar object is passing through our solar system. This UC program says to stay calm and carry on

The Shadow the Scientists initiative at UC Santa Cruz strives to demystify astronomical research.

A glowing, light orange comet can be seen in an image captured at the Gemini Observatory

Newsom signs climate overhaul, extending cap and trade while boosting oil drilling

A set of laws Gov. Gavin Newsom signed today extends California clean-energy programs while taking steps to shore up oil and gas production. It also opens the door to a Western energy grid.

FILE -- California Gov. Gavin Newsom vetoed SB1046, a hotly contested measure that would have been the nation's strictest AI safety law. (AP Photo/Rich Pedroncelli, File)

Toddler dies and homes damaged as heavy rain causes flooding and mudslides

A man and his child were swept off a road in Barstow, and communities in the San Bernardino Mountains faced a deluge. The threat of heavy rain has now passed.

Logs and mud spread across a road with damaged utilities. Yellow tape says fire line do not cross.

'Soil Testing Day' in Altadena aims to make post-fire detection easy and accessible

USC and L.A. County soil experts will be on site Saturday, Sept. 20, to teach residents about testing their properties for lead.

A woman wearing a sunhat waters the grass on the lot where her home, which was destroyed in the Eaton Fire. A charred fence and wall darkened in a patch stands behind her.

Lingering chance of showers ahead of warm, sunny weather this weekend

Remnants of Tropical Storm Mario will leave behind the chance for some showers for Friday.

Rain clouds gather over downtown skyline in Los Angeles

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