. Are Wildfires Caused by Utilities or Climate Change? Yes . .

. Are Wildfires Caused by Utilities or Climate Change? Yes . . California Today Wednesday: An expert writes that both contribute to Californias increasingly dire problem. Also: The anniversary of a protest on Alcatraz Island. Good morning. Heres , if you dont already get California Today delivered to your inbox. Today, we hear from , an atmospheric scientist and director of the Initiative on Extreme Weather and Climate at Columbia University. He previously helped explain . Now, he tackles wildfires: As offshore winds are again forecast to bring hot, dry air to the woodlands of western California, and wildfires threaten for the second time in a couple of weeks, . If it didnt do this, and the sparking of its wires resulted in awful fires as they did last year, would it be culpable? Or would climate be the cause — and if so, can we blame human induced global warming, or natural variability in the climate system that would occur anyway? Or is the real problem that people are now living in fire prone places, where historically they didnt, and where natural fires have been artificially suppressed, letting fuels build up? The answer to all of these questions is yes. [Read and the question of personal responsibility in preventing wildfires.] A fire needs a spark. If PG Es wires provide that, then the company is responsible, just as I would be if I started a fire with a tossed cigarette or an unattended campfire. Californians are right to , and the evidence suggests that it has been poorly managed, deferring crucial maintenance for years. At the same time, the fire wouldnt spread so far and be so catastrophic if the weather werent right for it. And while the proximate causes of the National Weather Services and red flag warnings lie in the more or less random fluctuations of day to day weather, there is that global warming has increased the risk substantially. Heat dries out what scientists who study the problem clinically refer to as fuel — that is, trees and shrubs and such — so that they burn more quickly and easily. [How in pursuit of profit.] Then again, tree rings show that there have been droughts even worse than those in the past century, and that fire has been a part of the natural history of California and the western United States for millenniums. So human greenhouse gas emissions are by no means solely to blame. But they make the problem worse than it would otherwise be, since the natural climate variability is already a given, in exactly the same way that bad habits, like smoking, increase the risks of diseases that one would already stand some risk of getting due to bad luck alone. The same goes for human fire suppression and real estate development in the . Yes, these are part of the problem too — maybe bigger parts than climate change, so far. But these factors are not mutually exclusive, and the warming influence will only grow with time. [Heres how shape wildfire season.] This situation is not specific to fire, either. Its generic to a wide range of increasing climate risks. Disasters happen when a geophysical hazard meets people. Floods, for example, occur not just because of storm surges or heavy rains, but also because of , or , or both. And global warming always acts as an extra influence on top of natural variability that, in the short term view, is often more important. The important distinctions are ethical as much as they are scientific. Natural climate variability is out of human control. Building homes in dangerous places isnt. Neither are poorly maintained electric power lines. Or continued uncontrolled carbon emissions. [Read more about why is in the forecast for California.] We often link to sites that limit access for nonsubscribers. We appreciate your reading Times coverage, but we also encourage you to support local news if you can. In a move that was years in the making, Duluwat Island in Humboldt Bay was officially returned to the Wiyot Tribe by the city of Eureka. The island is best known for its worst day, when a group of white men massacred as many as 250 people during the tribes World Renewal Ceremony in 1860. It is sacred, stolen land, and I firmly believe it is our moral obligation to return it, one council member wrote. [] PG E said it doesnt plan to reimburse customers affected by its massive power shut offs earlier this month, rebuffing demands by Gov. Gavin Newsom. [] And check this interactive map to see if you might be in a shut off zone this week. [] Facebook said it would give dollar 1 billion to help solve the California housing crisis it helped create. The move follows similar ones by Google and Microsoft. [] Also, Mark Zuckerberg, that he founded Facebook to give students a voice during the Iraq war, is expected to acknowledge that the company has trust issues. Hell be testifying in Washington about Facebooks cryptocurrency project. [] Representative Katie Hill, a rising star among the so called blue wave of freshman Democrats from California, said that a nude photograph of her and another woman was posted without her consent and denied a report by the conservative site RedState alleging that she had been intimately involved with a member of her staff, which is forbidden under House rules. [] As Felicity Huffman neared the end of her two week prison sentence for her involvement in the college admissions fraud scandal, prosecutors brought new charges against 11 parents who have pleaded not guilty, including Lori Loughlin. [] In an effort to free up emergency funds to help address dangerous dust from the Salton Sea, Imperial County is seeking to declare a public health emergency. [] Supporters of pro democracy protesters in Hong Kong wore Stand With Hong Kong T shirts outside the season opener between the Lakers and the Clippers at Staples Center on Tuesday. [] Willie Brown, a Hall of Fame defensive back for the Oakland Raiders, has died at 78. [] Fifty years ago, Native American activists from the Bay Area and beyond occupied Alcatraz Island. They were protesting decades of by a government they said had tried to erase their heritage by eliminating tribes and forcing assimilation, my colleague . The occupation spurred a new wave of activism by indigenous people from across the continent. So earlier this month, Native Americans from different tribes gathered in San Francisco for a canoe journey to Alcatraz to mark the anniversary. The occasion was celebratory and defiant. We will not be forgotten, Cortney Russell, of the Shxwhá:y Village in Canada, told the crowd on the shore. Click through California Today goes live at 6:30 a.m. Pacific time weekdays. Tell us what you want to see: . Were you forwarded this email? Jill Cowan grew up in Orange County, went to school at U.C. Berkeley and has reported all over the state, including the Bay Area, Bakersfield and Los Angeles — but she always wants to see more. Follow along here or on Twitter, . California Today is edited by Julie Bloom, who grew up in Los Angeles and graduated from U.C. Berkeley.

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