October 27, 2017, 12pm PDT
With speculation that downed power lines and exploding transformers may have caused California's most deadly and destructive wildfires, many question why utility companies don't bury these lines through fire-prone areas.
October 9, 2017, 9am PDT
A new plan in San Francisco aims to reduce the city's chronically homeless population 50 percent by December 2022. Other goals include ending family homelessness and eliminating large, long-term tent encampments.
October 3, 2017, 6am PDT
Essentially that's what UC Davis, Yale, and MIT researchers found among California families who purchase very fuel efficient vehicles—they also pair them with gas hogs. If your family owns two vehicles, do you meet the profile?
October 1, 2017, 7am PDT
Eying European and Asian countries that have set, or are considering timelines to ban sales of cars that emit greenhouse gases, the California governor asked his chief air regulator to see why California couldn't follow suit.
September 26, 2017, 12pm PDT
State Route 37 is a vital highway connecting four North Bay counties plagued by two unrelated problems: chronic flooding during high tides and traffic congestion. Fixing the problem will set a precedent for Bay Area climate adaptation.
September 25, 2017, 10am PDT
As the death toll from Mexico's 7.1 magnitude earthquake on Sept. 19 climbs above 300, the San Francisco Chronicle investigates how well prepared the Bay Area is for an earthquake of comparable magnitude. Not very well.
September 22, 2017, 2pm PDT
Two California cities are going after oil companies with a legal argument that recalls the legislation against big tobacco companies in the 1990s.
September 16, 2017, 11am PDT
For almost two years, MUNI's diesel-powered buses in San Francisco have run entirely on renewable diesel fuel. Diesel-powered Amtrak trains running from San Jose to Sacramento could be next.
September 10, 2017, 9am PDT
In examining the question of whether a new high rise development in San Francisco achieves success at street level, John King picks up an age-old, but always relevant, debate.
September 6, 2017, 11am PDT
Some of the San Francisco neighborhoods with the worst air quality are also the San Francisco neighborhoods with the most development.
August 3, 2017, 12pm PDT
A "one-stop shop" for marijuana businesses will open in time for the statewide legalization of the industry this January.
July 25, 2017, 10am PDT
To secure needed votes to pass a vital cap-and-trade bill, Brown made a deal with California's Republican lawmakers that could cost him his legacy infrastructure project—the high-speed train from Los Angeles to San Francisco.
July 16, 2017, 1pm PDT
Caling the upcoming vote on AB 398, which has created strange political bedfellows, "the most important vote of your life," Gov. Jerry Brown cast the decision as choosing between "massive new regulations" and market-based mechanisms.
July 16, 2017, 11am PDT
In 1995, planners forecasted that the Millbrae BART Station in San Mateo County, where riders can transfer to/from Caltrain, would attract 16,500 weekday riders. Fourteen years after it opened, ridership is 7,000. Planners were off by 58 percent.
July 15, 2017, 9am PDT
Sea level rise is already flooding communities with such regularity that many residents are deciding to leave. The sea level rise tipping point will expand its reach as the climate changes.
July 14, 2017, 1pm PDT
The first report from independent think tank RethinkXL predicts that by 2031, 95 percent of U.S. passenger miles traveled will be served by on-demand, autonomous electric vehicles owned by companies providing transport as a service.
July 13, 2017, 2pm PDT
While premature to claim victory, a report from the San Francisco Chronicle suggests that the California Air Resources Board will prevail in a looming showdown with the U.S. EPA over whether to allow the state to set vehicle emission standards.
June 18, 2017, 11am PDT
Voters in Santa Rosa, California rejected a measure that would have retained the rent and eviction control ordinance that the city council had approved lasted August. The referendum was placed on the ballot by the California Apartment Association.
June 1, 2017, 10am PDT
"Manhattanization," a pejorative term coined in San Francisco half a century ago by opponents of tall buildings, needs to be rethought, writes San Francisco Chronicle's Native Son columnist, Carl Nolte, upon return from a weekend trip to New York.
May 27, 2017, 11am PDT
Following a similar ordinance signed into law by Mayor Ed Lee last July that dealt with developments that are 100 percent affordable, the new housing density ordinance apples to market-rate developments that have 30 percent affordability.