SAN DIEGO — The San Diego County Board of Supervisors on Tuesday advanced a $2.5 million project meant to reduce toxic air pollution at Saturn Boulevard, the South County hot spot where cascading Tijuana River flows release hydrogen sulfide into nearby neighborhoods.

The board voted to adopt a memorandum of agreement with the city of San ...Read more

DENVER — Colorado’s collared wolves primarily stuck around the state’s central mountains over the past month — except for at least one wolf that roamed the state’s northwest borderlands.

They spent time in the corner of Colorado that borders Wyoming and Utah, a new map released Wednesday by Colorado Parks and Wildlife shows. CPW ...Read more

Roku is a brand most of us know for streaming sticks and streaming boxes that turn any TV into a smart TV.

Roku also licenses its operating system to TV manufacturers, which means you could buy a TCL TV that runs the Roku operating system.

For the last few years, I have been aware of Roku-branded TVs, but I never really gave them much thought....Read more

San Diego biotech Artiva Biotherapeutics is laying off about 94% of its workforce and abandoning its lead immunotherapy treatment for rheumatoid arthritis roughly five months after raising about $300 million from investors.

The company said Tuesday that updated data showed its lead candidate, AlloNK — an off-the-shelf natural killer cell ...Read more

A while back I wrote about enabling live captions on your phone, and this week a reader follows up, “I’m profoundly deaf and depend on captions. I upgraded to an iPhone 17 Pro Max for the powerful processor. Better but it doesn’t perform as good as my PC for captions. I want to add an external microphone, as I think part of the problem ...Read more

After testing the Infinity X1 100L Sconce Power Failure Night Light, I’d almost say they are needed in every household. This all-in-one unit provides the necessary illumination for a plug-in, motion-activated night light and doubles as an emergency lighting system in the event of a power failure.

Fold-out AC prongs on the back let you plug ...Read more

A mosquito buzzing in your backyard may seem like a minor annoyance. But these tiny insects, with their taste for human blood, are increasingly appearing in areas where they were once rare or absent, and that’s raising concerns about the spread of mosquito-borne diseases, including West Nile, Zika and dengue fever.

Florida’s ...Read more

Hurricane Belle was barreling toward New England in August 1976 when an editor from Foreign Affairs called. Physicist Amory Lovins took the call on a payphone in a shack in the Maine woods, where he spent summers as a camp guide.

“If it happened to hit that area, the wires would be down with trees on them for weeks, so we’d miss ...Read more

MINNEAPOLIS — Global warming likely intensified the wildfires that raged for months this summer in the Boundary Waters and Canada, according to new research from the University of California, Merced. The intensity, in turn, made the smoke more hazardous to breathe.

The findings shed new light on a devastating summer in Minnesota.

State ...Read more

Proponents and opponents of the ballot proposition that would rewrite the state’s environmental law to expedite the review of so-called essential housing and infrastructure projects agree on one thing: The future of California is on the line.

The existential nature of Proposition 45, the camps say, is either a rare opportunity to make blanket...Read more

The River Spey in northeastern Scotland is one of the world’s most pristine bodies of water. Stretching across 107 miles, it teems with salmon and trout, supporting communities built on tourism along its shores. Earlier this year, a toxic chemical spill into a critical spawning tributary killed thousands of fish and other wildlife, blighting ...Read more

LOS ANGELES — In what one environmental law expert described as “a dangerous ultimatum,” the Trump administration said it would strip California of its authority to protect its coastline unless state regulators agreed to more than a dozen “corrective actions” that would benefit close allies of the White House, according to the draft ...Read more

SAN JOSE, Calif. — In a promising sign of wildlife recovery in the Bay Area, researchers have observed a river otter living along the San Mateo coast, the first documented sighting of the nimble, furry-coated swimmers there since the 1800s.

The animal was photographed by a motion-activated wildlife camera three times in recent months on the ...Read more

California boaters will now face a higher fee to use the state’s lakes, rivers and other waterways as officials expand their efforts to fight invasive golden mussels.

The California State Parks Division of Boating and Waterways announced that the cost of a Mussel Fee Sticker has increased to $42 from $16 for a full two-year cycle — a 162.5%...Read more

Meet Mike Davis.

He’s middle-aged, has jet-black hair, and technically works at Expedia Group. “He’s kind of a legend at our company,” said Beth Potter, Expedia’s senior manager of field enablement.

But Mike Davis isn’t a person. He’s an AI agent built by Seismic, a San Diego company that recently showcased him along with a ...Read more

When Brian Lee, the co-founder of The Honest Company with actress Jessica Alba and a serial entrepreneur, moved his family last year from Los Angeles to Summerlin, an upscale housing development in Las Vegas, he had a lot of things on his mind.

“I’d lived there pretty much my entire life, and L.A. is just not what it used to be,” he said ...Read more