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SAN FRANCISCO (AP) — Voters in one San Francisco Bay Area county will decide whether to remove a judge from office for sentencing a former Stanford University swimmer to a short jail sentence for sexual assault in a case that sparked national outrage months before the Me Too movement took off.The effort to recall Santa Clara County Judge Aaron Persky is being closely watched for its national political implications. If it's successful, Persky would be the first California judge recalled from office in 86 years after he sentenced then-sophomore Brock Turner to six months in jail in June 2016 for sexually assaulting a young woman."This vote is a harbinger," said Barbara O'Connor, a professor emeritus of political science at California State University, Sacramento. "It's one of the first tests of whether the Me Too movement will turn out to vote."RELATED COVERAGE: 880

Scientists are warning that a domino effect will kick in if global temperatures rise more than 2 degrees Celsius above pre-industrial levels, leading to "hothouse" conditions and higher sea levels, making some areas on Earth uninhabitable.The report, "Trajectories of the Earth System in the Anthropocene," published Monday in the American Proceedings of the National Academy of Sciences, said "hothouse" temperatures could stabilize 4 degrees to 5 degrees Celsius (39 to 41 Fahrenheit) higher than pre-industrial levels."Human emissions of greenhouse gas are not the sole determinant of temperature on Earth. Our study suggests that human-induced global warming of 2 degrees Celsius may trigger other Earth system processes, often called 'feedbacks,' that can drive further warming -- even if we stop emitting greenhouse gases," lead author Will Steffen of the Australian National University said. 911

Scientists are proposing an ingenious but as-yet-unproven way to tackle climate change: spraying sun-dimming chemicals into the Earth's atmosphere.The research by scientists at Harvard and Yale universities, published in the journal Environmental Research Letters, proposes using a technique known as stratospheric aerosol injection, which they say could cut the rate of global warming in half.The technique would involve spraying large amounts of sulfate particles into the Earth's lower stratosphere at altitudes as high as 12 miles. The scientists propose delivering the sulfates with specially designed high-altitude aircraft, balloons or large naval-style guns.Despite the technology being undeveloped and with no existing aircraft suitable for adaptation, the researchers say that "developing a new, purpose-built tanker with substantial payload capabilities would neither be technologically difficult nor prohibitively expensive."They estimate the total cost of launching a hypothetical system in 15 years' time at around .5 billion, with running costs of .25 billion a year over a 15-year period.The report does, however, acknowledge that the technique is purely hypothetical."We make no judgment about the desirability of SAI," the report states. "We simply show that a hypothetical deployment program commencing 15 years hence, while both highly uncertain and ambitious, would indeed be technically possible from an engineering perspective. It would also be remarkably inexpensive."The researchers also acknowledge potential risks: coordination between multiple countries in both hemispheres would be required, and stratospheric aerosol injection techniques could jeopardize crop yields, lead to droughts or cause extreme weather.The proposals also don't address the issue of rising greenhouse gas emissions, which are a leading cause of global warming.And despite the conviction of the report's authors, other experts were skeptical."From the point of view of climate economics, solar radiation management is still a much worse solution than greenhouse gas emissions: more costly and much more risky over the long run," said Philippe Thalmann of the école Polytechnique Fédérale de Lausanne, an expert in the economics of climate change.David Archer of the Department of Geophysical Science at the University of Chicago said, "The problem with engineering climate in this way is that it's only a temporary Band-Aid covering a problem that will persist essentially forever, actually hundreds of thousands of years for fossil fuel CO2 to finally go away naturally."It will be tempting to continue to procrastinate on cleaning up our energy system, but we'd be leaving the planet on a form of life-support. If a future generation failed to pay their climate bill they would get all of our warming all at once." 2830

SAN FRANCISCO, Calif. – Uber says its mask verification safety feature is now available to all riders in the U.S. and Canada.The company made the announcement Thursday and also revealed it has removed the access of more than 1,250 riders since its “No Mask, No Ride” policy was put in effect in May.Beginning Thursday, if a driver reports that a rider wasn’t wearing a mask in their vehicle, the rider will be required to take a selfie with their mask or face covering before they’re able to take another trip with Uber.With the addition of the new feature, Uber says one driver's feedback can help ensure the safety of using Uber for the next driver."We all have a shared responsibility to help keep our communities safe and healthy and we're working with riders, drivers, delivery people and restaurants to make sure we're doing our part," said Matthew Price, Uber Canada's General Manager. "Mask verification is just another example of how Uber is creating new features that make it easy for users to respect each other's safety so we can help protect one another."To date, Uber says it has allocated million to purchase health and safety supplies for its drivers, including nearly 30 million face coverings. 1223

SANTA ANA, Calif. (AP) -- A surfer was found dead face down in the water at Upper Trestles at San Onofre State Beach in San Diego County.The Orange County Register reports South Sector Superintendent for State Parks Rich Haydon says the man, described as middle age, was seen struggling Saturday as he paddled out into the surf at the break just south of San Clemente's border.It's unclear if the man was struggling because of the surf conditions or because of health issues.Nearby surfers then noticed the man face down in the water.Camp Pendleton Fire Department responded and continued attempting CPR before declaring the man dead at the scene.The San Diego County Medical Examiner had not released the man's name as of Monday morning. 746