When I worked for the Environmental Protection Agency in the 2010s as an Obama administration appointee, I helped write and review dozens of regulations under the Clean Air Act. They included some groundbreaking rules, such as setting national air quality standards for ozone and fine particulate matter.

For each rule, we considered ...Read more

Heat pumps can reduce carbon emissions associated with heating buildings, and many states have set aggressive targets to increase their use in the coming decades. But while heat pumps are often cheaper choices for new buildings, getting homeowners to install them in existing homes isn’t so easy.

Current energy prices, including the ...Read more

ORLANDO, Fla. — Sitting between a pair of Space Force colonels in room full of military and commercial aerospace representatives, U.S. Rep. Mike Haridopolos spoke his mind about some of the hurdles that have slowed launch endeavors in the U.S.

“What frustrates me as an American is capitalism is supposed to be faster than communism, and yet ...Read more

As Amazon culls its workforce, the company is pouring billions of dollars into its artificial intelligence infrastructure, leaving some employees wondering whether the trade-off is worth it.

The company will report financial results for 2025 next week and has previously projected it would spend about $125 billion in capital expenditures for the...Read more

LOS ANGELES — The question of how to protect fish and the ecological health of rivers that feed California’s largest estuary is generating heated debate in a series of hearings in Sacramento, as state officials try to gain support for a plan that has been years in the making.

“I am passionate that this is the pathway to recover fish,” ...Read more

CHICAGO — Shortly after her arrival last fall, Amelia Gray met Hudson, and the pair hit it off immediately. They touched their noses together in greeting and chuffed — a soft, breathy, snorting sound that signals affection or reassurance. Amelia Gray rolled on her back, gently pawing at her counterpart. Later that same day, they played in ...Read more

LOS ANGELES — The patchwork efforts to identify and safely remove contamination left by the 2025 Eaton and Palisades fires has been akin to the Wild West.

Experts have given conflicting guidance on best practices. Shortly after the fires, the federal government suddenly refused to adhere to California’s decades-old post-fire soil-testing ...Read more

Tesla Inc. plans $20 billion of spending this year to streamline its electric-vehicle lineup and shift resources toward robotics and AI, part of a sweeping set of changes pushing the company further from its roots as an automobile manufacturer.

The capital expenditure plans laid out Wednesday – roughly twice as much as Wall Street was ...Read more

Meta Platforms Inc.’s better-than-expected sales outlook helped ease Wall Street concerns about plans for unprecedented spending on artificial intelligence this year.

The social networking giant topped projections for holiday quarter revenue and gave a strong forecast for the current period during its earnings report Wednesday. Improvements ...Read more

SAN DIEGO — The San Diego County Board of Supervisors unanimously approved $8.75 million Wednesday to address the ongoing Tijuana River pollution crisis through health studies, infrastructure improvements and an expanded air purifier program.

The funding package includes $4.75 million for epidemiological studies and a temporary infrastructure...Read more

DENVER — At least one of Colorado’s collared wolves roamed widely across southwestern Colorado in the last month, a new map of wolf locations released Wednesday by Colorado Parks and Wildlife shows.

One of the state’s 19 collared wolves traveled quickly through a number of watersheds in that region, including near tribal land, according ...Read more

LONG BEACH, Calif. — A hunk of romaine was easy pickings for Porkchop and her three flippers.

On a rainy day last week, the green sea turtle pumped her limbs and stretched her beak up to chomp a lettuce leaf floating on the surface of a tank at the Aquarium of the Pacific in Long Beach. That’s where she’s been on the mend since early ...Read more

PIKEVILLE, Ky. — Lawmakers representing Kentucky’s mountainous Appalachian counties are coalescing behind an effort this legislative session to bolster resiliency to natural disasters in the wake of extreme Eastern Kentucky floods.

Several members of the General Assembly’s Mountain Caucus will seek funding this year to form a new agency-...Read more

SACRAMENTO, Calif. — California lawmakers on Tuesday took initial steps toward addressing the public safety concerns posed by the state’s growing populations of wolves, mountain lions and other predators — issues the state’s top environmental official called a crisis.

A packed hearing before the Assembly Committee on Water, Parks and ...Read more

Pinterest said Tuesday it's planning to slash up to 15% of its workforce.

The San Francisco-based image-sharing platform used for inspiration for home decor, fashion and other interests is laying off workers as part of a restructuring plan.

It will partly use the savings to fund "AI-focused roles and teams that drive AI adoption and execution,...Read more

SpaceX launched its latest national security mission, yet another GPS satellite that was originally to have been launched by United Launch Alliance.

A Falcon 9 that was delayed from Monday because of weather lifted off Tuesday night on the GPS III-9 mission to bring the satellite to medium-Earth orbit from Cape Canaveral Space Force Station’s...Read more

No matter where you live in the United States, you have likely seen headlines about PFAS being detected in everything from drinking water to fish to milk to human bodies.

PFAS, or per- and polyfluoroalkyl substances, are a group of over 10,000 synthetic chemicals. They have been used for decades to make products waterproof and stain- ...Read more

California marked a milestone this month with the return of an uninterrupted Highway 1 through the perilous, yet spectacular cliffs of Big Sur.

The famed coastal road was closed for more than three years after two major landslides buried the two-lane highway, and it took unprecedented engineering might and precarious debris removal to once ...Read more

Satechi, a company focused on creating tech accessories that work great, look great and improve people's lives, has a few new products out meeting those goals.

The 7-in-1 USB-C Multiport Adapter ($59.99), part of the Satechi OntheGo Collection for mobile connectivity, offers seven of the most popular ports for connecting just about anything ...Read more