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A decrease in Southern California traffic led to decreases in microscopic air pollutants known as fine particulate matter, or PM 2.5. This contributed to a 20% improvement in air quality…
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“Los Angeles used to be nearly as polluted as Beijing is today,” said Yifang Zhu, co-lead author of the study and professor of environmental health sciences at the Fielding School.…
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As a technology, air purifiers land somewhere between legitimate health device and dubious wellness product. Many health researchers suggest that certain purifiers can reduce harmful airborne pollutants. “I recommend that…
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“We’re expecting to see more and bigger wildfires if the climate continues in its current path,” said Yifang Zhu, environmental health sciences professor at the University of California, Los Angeles.…
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Experts say there are simpler ways to help fix climate change, particularly using less energy from fossil fuels. Suzanne Paulson, director at UCLA’s Center for Clean Air, said although much…
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“Our geography is perfect for forming ozone, and that’s what makes it such an intractable problem,” said Suzanne Paulson, a professor of atmospheric chemistry who directs the Center for Clean…
