California

California is testing and evaluating solar panels built over irrigation canals, an approach that generates renewable energy while shading water and reducing evaporation. Early lessons from pilot projects are offering insight into how the technology performs at scale, and the findings are drawing attention as the state weighs ways to expand clean energy and conserve water at the same time.

Mexico's Baja California peninsula is preparing for the arrival of major Hurricane Polo, with residents and authorities bracing for strong winds, heavy rain and coastal damage. At the same time, Hurricane Nolo remains a threat to Hawaii in the Pacific. Two simultaneous Pacific storms have drawn attention to the region's hurricane activity.

Hurricane Polo is bearing down on Mexico's Baja California Peninsula, with authorities warning of storm surge and flooding as residents prepare for landfall. Meanwhile, Hurricane Nolo continues to threaten Hawaii, keeping Pacific communities on alert. Two simultaneous Pacific storms are drawing attention as both Mexico and Hawaii face potential storm damage and emergency responses.

California health officials have issued a warning about possible measles exposure across six counties, urging residents to check whether they may have been exposed and to confirm their vaccination status. The alert was reported by NPR and is drawing attention as health authorities work to contain any potential spread of the highly contagious virus.

Donald Trump is escalating a confrontation with California over the state's role as the national leader on climate policy, setting up a battle over emissions rules and the state's authority to set its own standards. The outcome is expected to shape how far states can go on climate action and how far a president can push back.

Mexico's Baja California peninsula is preparing for the arrival of Hurricane Polo, with residents and authorities bracing for heavy rain, strong winds and coastal damage. Meanwhile, Hurricane Nolo is threatening Hawaii, putting the Pacific basin on alert with two simultaneous storm threats. Emergency preparations are underway on both sides of the ocean.

Scientists and weather watchers are tracking a vast, slow-moving Kelvin wave—a planetary-scale ocean or atmospheric pattern—that is heading toward California. The development is drawing attention because such waves can influence coastal conditions and extreme weather, and concern is mounting over what impact it could bring to the US West Coast.

An earthquake struck the Los Angeles area, shaking buildings and prompting residents to report the tremor widely online. No immediate details were available on the quake's magnitude or whether it caused damage or injuries. People across Southern California shared their experiences of the shaking as it happened.

California has declared a state of emergency for the entire state ahead of a forecast strong El Niño, which is expected to bring heavy rain, flooding and severe storms in the coming months. The move allows state agencies to pre-position resources and respond quickly as the weather pattern intensifies.

A slow-moving, planetary-scale kelvin wave of warm ocean water is heading toward the US West Coast, raising concern in California. Such waves along the equatorial Pacific are tied to the El Niño-Southern Oscillation and can shift weather patterns, potentially bringing heavier rains, coastal impacts and extreme weather to the region as scientists and residents watch its progress.

Hurricane Polo is being tracked as its projected path raises questions about possible impacts on Southern California, including moisture, surf and rainfall from the storm's remnants. Local forecasters are watching the trajectory closely to determine whether the region will see direct effects or only offshore swells and increased humidity in the coming days.

California is preparing for flooding and landslides as forecasters expect a super El Niño this year, a warming of equatorial Pacific waters that disrupts weather patterns worldwide. After years of coastal erosion, communities such as Pacifica, south of San Francisco, are already showing strain, and officials worry heavy winter storms could worsen damage to weakened cliffs and hillsides.

Attention is turning to a slow-moving, planetary-scale ocean Kelvin wave that is travelling toward the California coast. Such waves move warm water along the equator and can influence weather patterns, raising concerns about possible effects on California's coastal conditions and climate in the coming months.

Tropical Storm Nolo is approaching Hawaii, marking the islands' third major storm in two months. In the San Francisco Bay Area, residents are reaching out to check on family members in Hawaii as the storm nears. The repeated storms have put island communities and their mainland relatives on edge, with local news in California following the situation closely.

A court ruling has ended a California sheriff's investigation that involved the seizure of ballots, and the decision is drawing attention across the United States. The case touches on the limits of local law enforcement power over election materials, a sensitive subject amid ongoing national debates about election integrity and voting procedures.

The Los Angeles Times reports that major California donors have bankrolled competing candidates in Democratic primary contests, effectively funding both sides of intra-party fights. The pattern highlights the state's role as a financial engine of national Democratic politics, with the same wealthy contributors backing rival factions as the party determines its future direction. The report is drawing attention to how concentrated donor money shapes primary outcomes.

Rising seas are reshaping a California beach town, eroding shoreline and putting a key coastal rail line at risk. The situation highlights the growing pressure climate change is placing on coastal infrastructure and communities, with local officials facing hard choices about protecting homes, beaches and the threatened rail corridor.

A court has shut down an investigation by a California sheriff who seized ballots as part of an election inquiry, and the ruling is expected to have implications far beyond the state. Legal observers say the decision will help define the limits of local law enforcement authority over election materials, a question likely to arise in other contested cases nationwide.

A raw milk cheese produced in Northern California has been recalled as health officials respond to an E. coli outbreak. The Sacramento Bee reported the recall, linking the product to cases of the bacterial infection. Consumers are being warned to check for the affected cheese, and the recall raises renewed concerns about the safety of raw milk dairy products.

California health officials have issued a warning about possible measles exposure across six counties, urging residents to check whether they may have been exposed and to confirm their vaccination status. The alert comes amid renewed concern about measles cases and declining immunization rates, prompting widespread discussion about public health response and outbreak risk.

Southern California is preparing for the effects of Hurricane Polo, with local news coverage highlighting the storm's expected fallout across the region. Residents and officials are watching forecasts closely as the hurricane approaches the Pacific coast, with possible rain, wind and coastal impacts in store.

The California Supreme Court has ordered the Riverside County sheriff to return roughly 650,000 ballots that were seized during an investigation. The ruling, reported by San Diego's 10 News, requires the sheriff's department to hand the ballots back. The case is drawing attention because of the scale of the seizure and questions over law enforcement's handling of election materials in the county.

California's two largest luxury housing markets are moving in opposite directions, with prices and sales activity diverging sharply between them, according to reporting by SFGate. The split highlights how uneven the high-end property market remains across the state, with buyers behaving very differently in the two regions. Analysts point to local demand, inventory and affordability pressures shaping the gap.

California voters are getting a side-by-side look at where the candidates for state superintendent of public instruction stand on major education issues. A new comparison lays out the contenders' positions on key policy questions heading into the election. The rundown gives voters a way to weigh differences on funding, curriculum, and other school priorities before casting their ballots.

Researchers collected samples from a hot stream in California's Lassen Volcanic National Park using barbecue tongs, then raised the temperature on an amoeba in Syracuse University labs from 57°C to 60°C. At 63°C the organism was still dividing, raising questions about how its intricate cellular machinery keeps functioning under such heat. The findings shed light on the limits of life at high temperatures.

The San Francisco Chronicle has published an analysis identifying California's wealthiest suburbs and how their standings have shifted over the past ten years. The piece examines which communities now top the state's income rankings and how demographic and economic changes over the decade have reshaped the list of the state's most affluent residential areas.

California's Supreme Court has ruled that a county sheriff violated state election law by seizing ballots. The decision establishes that ballot seizure by law enforcement breaches legal protections for voters' ballots. The ruling is drawing attention as officials and election watchers assess its implications for the handling of ballots and the limits of sheriffs' authority during elections.

California Governor Gavin Newsom has signed a package of new laws aimed at expanding reproductive freedom and care in the state, which California positions as a national leader on the issue. The measures broaden access to reproductive health services and reinforce the state's protections as other states restrict such care.

California deputy district attorney Erin West is drawing attention for her approach to fighting online fraud, treating scam operations not as isolated crimes but as an industry with a full supply chain of money launderers, recruiters and infrastructure providers. The strategy, highlighted in recent coverage, focuses on disrupting the networks that enable large-scale pig-butchering and romance scams rather than prosecuting only low-level actors.

California has enacted a new cryptocurrency law prohibiting public officials from launching or promoting memecoins. The measure aims to prevent officials from using their positions to profit from speculative digital tokens. The move follows a wave of politically themed and celebrity-backed memecoins that have drawn criticism over conflicts of interest and investor losses, making California one of the first states to address the issue directly.

California colleges and universities are rolling out new policies and programs to respond to artificial intelligence's growing role in higher education. The Sacramento Bee reports on how campuses are adjusting teaching, coursework and academic integrity rules as AI tools become widespread among students and faculty across the state's large public and private college systems.

California Governor Gavin Newsom has signed a bill prohibiting brokers from booking blocks of tee times at public golf courses and reselling them at a markup. The practice has frustrated golfers who struggle to secure affordable tee times at popular municipal courses, prompting lawmakers to act against commercialized scalping of public recreation slots.