Reducing smog by taming ozone levels in a changing climate is proving quite difficult

Ozone pollution may become harder to manage as climate change accelerates. A new study suggests that global warming could reduce the effectiveness of current strategies to control ground-level ozone – a harmful pollutant and major contributor to urban smog …

California lawmakers narrow Jay Leno bill to end smog checks for vehicles 35 years and older

State lawmakers in Sacramento have pumped the brakes on a bill pushed by comedian and famed car collector Jay Leno to make older cars exempt from smog checks in California. The bill, SB 712, dubbed “Leno’s Law,” originally would have allowed vehicles 35 …

Oil and gas hub dodges stricter smog compliance framework

Federal judges, handing a win to drillers in one of the nation’s oil and gas production hubs, have blocked implementation of an EPA rule that could force the industry to undertake a suite of new and costly cleanup measures. In an order issued late last …

Volcanic smog: The dangerous 'vog' coming from Kilauea in Hawaii

Vog forms when sulfur dioxide (SO₂) and other volcanic gases react chemically with atmospheric moisture, oxygen, sunlight, and dust. KILAUEA, Hawaii — Have you ever heard of "vog"? It may sound like a new social media trend, maybe a a dance craze …

Video: California May Be About To Start Losing The War On Smog

1st Spare the Air alert of the year issued in Bay Area to accompany Friday's heat wave

Officials in Santa Clara County and other municipalities outlined how they plan to keep residents safe amid an end-of-week heat snap that could see the mercury touch triple digits in some places. OAKLAND, Calif. - Air quality officials have issued the …

Year’s First Spare the Air Alert Issued for Friday

The Bay Area Air District today issued the season’s first Spare the Air alert for Friday. High temperatures, combined with motor vehicle exhaust, will create “elevated levels of ozone,” or smog, the district reported in a press release. The agency …

In Your Town for May 30, 2025

LARKSPUR Restaurant project approved by board The Planning Commission has approved a proposal to remodel the restaurant building at 455 Magnolia Ave. The former Don Antonio Ristorante is being turned into a restaurant called Feerma. The company’s plan …

Dancing about architecture

by Mick Rhodes | editor@claremont-courier.com “Designing Our Community: HMC Architects in the Pomona Valley,” up through July 13 at Chaffey Community Museum of Art in Ontario, features the striking architectural photography of the great Julius Shulman and …

Capitol Briefs: Suspense by the numbers

Capitol Briefs by CAPITOL WEEKLY STAFF posted 05.29.2025 Suspense by the numbers: The Senate and Assembly Appropriations Committees did their annual culling of hundreds of bills last week. Capitol lobbyist, law professor and regular Capitol Weekly …