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发布时间: 2025-05-31 05:57:13北京青年报社官方账号
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Since the beginning of the year, wildfires have burned over 3.2 million acres in California. Since August 15, when California’s fire activity elevated, there have been 25 fatalities and over 4,200 structures destroyed.In August, three of California’s four largest wildfires on record sparked. Currently, the largest, the August Complex fire burning east of Chico, stands at 803,489 acres.“We’re living in a world with greater wildfire risk from one-degree warming. Two degrees of warming will intensify those risks,” said Dr. Noah Diffenbaugh, professor of Earth System Science at Stanford University.Dr. Diffenbaugh says in the last 40 years there has been a tenfold increase in the amount of land burned by wildfires, and that number directly correlates to Earth’s warming from climate change.He says the science is pretty straightforward. As temperature rises fuels dry out more easily, which makes less-prone areas spark plugs for fires. Then add in the changes in humidity, wind speeds, and long-term weather patterns that are all affected by climate change and wildfires become larger, stronger, and more frequent.Seventeen of California’s 20 largest fires in history all started after the year 2000.“Very careful, objective, hypothesis-driven research has shown that about half of that increase in the area burned in the western United States is attributable to the long-term warming,” said Dr. Diffenbaugh.The Center for Climate and Energy Solutions says between 1984 and 2015, the number of large wildfires doubled in the western United States. It also estimates that for every one-degree rise in Earth’s temperature, the average area burned from a wildfire could increase by 600 percent in some places.“We have two of the three largest wildfires in California’s history burning right now so it is a simple fact,” said Dr. Diffenbaugh.The increase in fire activity also increases the strain put on resources.Recently, national fire managers raised the United State’s fire preparedness level to five, which is its highest level, making all fire-trained federal employees available for assignment. 2112

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South Africans gathered Saturday to bid farewell to Winnie Madikizela-Mandela, an anti-apartheid icon hailed as a political force and the mother of a nation and a political force.Crowds packed Orlando Stadium in Johannesburg's Soweto township for the funeral following a private service at her home.Mourners followed her coffin in procession into the stadium, where the funeral began with the singing of the national anthem.Her daughter Zenani Mandela-Dlamini was among the speakers at the funeral. Dignitaries included presidents of the Republic of Congo and Namibia, and civil rights leader Jesse Jackson."She made a choice to raise two families, hers and the beloved country," Mandela-Dlamini said. "She cherished freedom as much as she treasured family. She protected both from constant assault from apartheid state."South African President Cyril Ramaphosa will deliver the eulogy.Madikizela-Mandela, the former wife of the late Nelson Mandela, died this month in a Johannesburg hospital after a long illness. She was 81.As one of the country's most prominent and polarizing figures, she retained political clout long after her divorce from Mandela, the nation's first black President.Since the end of apartheid in the 1990s, she served in several government roles, including member of parliament and leader of the ruling party's women's league."Today we lay to rest our heroine, a struggle stalwart and mother-to-the-nation," the government tweeted Saturday. It offered free rides for those who wanted to attend the funeral. 1538

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Several countries have started shifting to a shorter quarantine recommendation.Places like France are now telling COVID-19 patients to quarantine for seven days instead of 14. Other countries like Spain, Belgium and Germany are having people quarantine for 10 days.The idea here is that a shorter quarantine is better than no quarantine at all. Some people may find it difficult to self-isolate and because of the long period, they may not attempt to do it.“If you have a job that requires you to be there, you’ll miss two weeks’ worth of work,” said Marcus Plescia, Chief Medical Officer at the Association of State and Territorial Health Officials. “Even if you have a job with really good benefits, where you can take sick leave and they can accommodate that, even in that situation, it’s going to be difficult for most people.”Another idea that supports this is that many people will not need the full two weeks to develop COVID-19 symptoms. The Association of State and Territorial Health Officials says the vast majority of people are showing symptoms within four to six days.They do say that the downside to shorter quarantine is that there is the possibility they will miss some people who start showing symptoms later on.Utah is one state that has approved a shorter quarantine period under certain guidelines. The governor there has allowed students to return to school after seven days of quarantine, if they have not shown symptoms. That’s specifically for students who were wearing a mask and were at school when they were exposed.Some more states are also considering a shorter quarantine time for children in grades K-12.“They tend to be asymptomatic or have very mild symptoms, so there’s not a danger for the most part, there’s not a danger to the children themselves,” said Plescia.The Centers for Disease Control and Prevention (CDC) is currently looking at shorter quarantine periods for college-age students.Depending on what they find, the CDC may be able to issue new guidance on self-isolation periods to get states on the same page. 2065

  

SPRING VALLEY, Calif. (KGTV) — A 76-year-old woman was arrested on suspicion of intentionally sparking a fire that damaged a portion of an East County strip mall.San Diego Sheriff's deputies were called to a Spring Valley strip mall in the 500 block of Grand Ave. on Tuesday at about 8 p.m. over reports of a possible structure fire.When deputies and fire crews arrived, a woman was found nearby and determined to be a suspect. The woman, identified as Leona Head, is a transient in the Spring Valley area, deputies say.Deputies say Head admitted to starting the fire by trying to extinguish a lit cigar with a bottle of liquid labeled "Clorox." The liquid appeared to be a flammable substance and spread the fire to an electrical box adjacent to a strip mall.The fire spread to the roof of the strip mall before crews with San Miguel and Bonita Sunnyside fire departments were able to put out the fire.The fire damaged the exterior of the building and the electrical box. No injuries were reported.Deputies say Head admitted to setting two other fires ruled as accidental. She was booked into Las Colinas Detention Facility for arson. 1143

  

Southwest Airlines will look less like a zoo.Passengers will be allowed to bring only cats and dogs on board as emotional support animals beginning in September, and only one per customer. The animals must be on a leash or in a carrier at all times.Southwest says passengers will need to present a letter from a doctor or licensed mental health professional on the day of departure.The airline will also limit the types of trained service animals in the cabin. Only dogs, cats and miniature horses will be allowed. Service animals are specially trained to help people with disabilities.Fliers have become increasingly bold in bringing animals on planes.In January, a woman reportedly tried to board a United Airlines flight with an emotional support peacock. Delta says passengers have also flown with "comfort turkeys, gliding possums known as sugar gliders, snakes, spiders and more."Since the beginning of the year, American Airlines, JetBlue, Delta and United have all introduced rules similar to Southwest's.The airline industry has called on the Transportation Department to update its guidelines for animals on planes. A public comment period for changes closed in July. 1185

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