Power Cut to 60,000 in Northern California to Prevent Wildfires
Major California utility Pacific Gas & Electric (PG&E) shut off power to 60,000 Northern California residents Sunday night in an attempt to reduce the risk of wildfires sparking from hot, dry windy weather, the Huffington Post reported Tuesday.
A total of 100,000 people were warned their power might be cut off due to wind speeds of 60 miles per hour and gusts of 70 miles per hour increasing the risk of electrical fires.
"The safety of our customers and the communities we serve is PG&E's top priority," PG&E's senior vice president of electric operations Pat Hogan told the Huffington Post. "We know how much our customers rely on electric service and only considered temporarily turning off power in the interest of safety, and as a last resort during extreme weather conditions."
The communities covered by the blackout were about 42,0000 customers in El Dorado, Amador and Calaveras counties in the Sierra Foothills and 17,483 customers in parts of Lake, Napa and Sonoma counties, CNN reported.
PG&E tweeted Monday night that they had restored power to more than 38,000 customers in the North Bay and the Sierra Foothills as of 9:30 p.m. and expected to restore power to their remaining customers by Tuesday.
[Public Safety Power Shutoff Update] As of 9:30pm, +38k customers restored in North Bay & Sierra Foothills. We expe… https://t.co/NLiAXSpfot— PG&E (@PG&E)1539665978.0
More than 22 million people both in Northern and Southern California were under a Red Flag Warning Monday, the warning issued when conditions are ripe for wildfires, CNN meteorologist Haley Brink said.
"It's fire weather season," Brink said. "Any new fires that do form today will spread rapidly."
Trees striking power lines are a major fire risk, and were the cause of a dozen of the fires that formed a deadly cluster in Northern California in the fall of 2017, according to a California Department of Forestry and Fire Protection report cited by the Huffington Post.
But some customers and consumer advocates said the blackouts were less about protecting the public, and more about protecting utilities from liability.
California Governor Jerry Brown signed a law weeks ago that allows PG&E to pay off the more than 200 lawsuits it is facing over the 2017 fires using state bonds, but the legislation did not spare the utilities from future liability.
"When the utilities don't get what they want, they start turning the power off," Consumer Watchdog President Jamie Court told The New York Times. "They were disappointed in the Legislature. They clearly want more. They want no liability."
Locals also complained that the blackouts were only necessary because PG&E hadn't done the work of maintaining its lines by clearing trees ahead of time.
"There's a feeling that this is because PG&E didn't take care of what needed to be taken care of in the past, and now we're having to pay the price for that," Nevada City independent movie theater manager Celine Negrete told the San Francisco Chronicle, as the Huffington Post reported. "That's what I'm hearing on social media really loudly."
Increased wildfires in California have been linked to climate change, and senior vice president for transmission and distribution at Southern California Edison Phil Herrington, whose utility also warned customers they could face blackouts, defended the utilities' actions as an extreme response to an extreme situation.
"The change in weather patterns that we're seeing, we have to look at everything in a new light," Herrington told The New York Times "It is something that truly is a last resort for us."
Wildfires, Record Highs Scorch California https://t.co/2AAbrihDqt #HeatWave2018 #HeatWaveLA @NRDC @ClimateReality… https://t.co/pHrHsyQMU8— EcoWatch (@EcoWatch)1531137679.0
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Where Does the Deficiency Begin?<p>Nobody knows exactly how much vitamin D a person actually needs. The question of when a deficiency starts is correspondingly controversial. However, vitamin D is becoming increasingly popular.Not only is the pseudo-scientific literature on the "sun vitamin" experiencing an upswing, but the number of published studies has also increased enormously in recent years. For example, in 2019 <a href="https://academic.oup.com/edrv/article/40/4/1109/5126915" target="_blank">a study found that</a> Vitamin D is responsible for keeping the skeleton functional and is associated with cardiovascular diseases, type 2 diabetes and various types of cancer. <br></p>
An All-Rounder<p>Vitamin D levels in the body rise and fall according to sun exposure. If sufficient UV rays reach the skin, the body is able to produce the vitamin itself. However, the human body only derives an estimated 10 to 20 percent of its daily requirement from food.</p><p>The vitamin D that we synthesize from sunlight or food is not biologically active at first. Before the kidneys can produce the biologically active form of the vitamin, known as calcitriol, and release it into the blood, some metabolic processes must take place beforehand.</p><p>In addition, many organs have receptors to which the precursor of calcitriol binds. Further, this substance is also present in blood.</p><p>From this precursor, the organs then produce calcitriol themselves, which the body then uses for countless other processes in the body. This form of vitamin D thus regulates insulin secretion, inhibits tumor growth, and promotes the formation of red blood cells as well as the survival and activity of macrophages, which are important for the <a href="https://www.mdpi.com/2072-6643/5/7/2502/htm" target="_blank">immune system.</a></p>
Low Vitamin D, Severe COVID-19 Disease?<p>A research study carried out <a href="https://www.sciencedirect.com/science/article/pii/S2352364620300067?via%3Dihub" target="_blank">at the University of Hohenheim</a> has now established a link between vitamin D deficiency, certain previous diseases, and severe cases of COVID-19.</p><p>According to the study, "there is a lot of evidence that several non-communicable diseases (high blood pressure, diabetes, cardiovascular diseases, metabolic syndrome) are associated with low vitamin D plasma levels. These comorbidities, together with the often accompanying vitamin D deficiency, increase the risk of severe COVID-19 events."</p><p>"This statement is completely correct," said Martin Fassnacht, head of endocrinology at the University Hospital of Würzburg. However, he qualifies that it is a pure association, "i.e. a mere observation that these events occur together.</p><p>Dr. Fassnacht is very critical of the hype surrounding vitamin D, but not because he denies the vitamin serves important functions. However, studies on humans have not been able to show that vitamin D has the healing powers many often propagate.</p><p>Fassnacht says, "If you take a closer look, the hopes that the administration of vitamin D has a healing effect have not been confirmed so far."</p>
Association Versus Intervention Studies<p>Many studies on the vitamin are association or observational studies. "By definition, these studies cannot prove the causal relationship, but only point to mere correlations," said Fassnacht. The physician tries to illustrate this with an example:</p><p>"Imagine two groups of 80-year-olds. One group is spry, active and does sports. If you compare them with another group living in nursing homes, the difference in vitamin D levels will be dramatic. Life expectancy would also be extremely different."</p><p>But to try to explain the difference in fitness by vitamin D status alone is far too simplistic. "Vitamin D levels are a good measure of how sick someone is. But not more," says Fassnacht. </p><p>According to Fassnacht, none of the intervention studies carried out to date -- that specifically examined the effect of vitamin D on various diseases -- has been able to confirm the previous association and laboratory studies or the presumed positive effect of vitamin D.</p>
Further Research Is Needed<p>"If a coronavirus infection is suspected, it is therefore absolutely necessary to check the vitamin D status and quickly correct any possible deficit," said the recommendation of the paper published by the University of Hohenheim.</p><p>"Studies are underway to see whether vitamin D helps in COVID-19 infection, but I personally do not believe that this is really the case," says endocrinologist Fassnacht. Nevertheless, he says it is of course useful to carry out these studies.<br></p><p>"I don't want to rule out that there are actually subgroups of people who benefit from an additional vitamin D dose," he says. After all, this has been proven to be the case with a severe deficit.</p><p>In view of the study situation, Fassnacht does not think much of preventive, nationwide vitamin D substitutes. "My belief that the vitamin helps somewhere is very low. But, of course, I can be wrong."</p>
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