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David Colgan
Mountain lions are rarely seen, but they occasionally prowl near human habitats, according to a study by UCLA and the National Park Service published today in PLOS One. The research,…
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David Colgan
The public perception is that lobbyists fight for lax regulations, saving businesses money by allowing more pollution—often at great cost to public health and natural resources. That’s only one side…
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David Colgan
It might be time for an update. In 2016, two-thirds of Americans wield video-equipped smartphones capable of telling vivid stories, from street protests to Snapchat. And 15 minutes may be…
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David Colgan
Ten years later, most of that money has been spent. But although the measure prioritized funding for urban, disadvantaged and park-poor communities, residents in those places have seen less than…
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David Colgan
L.A. has made progress over the years. The notorious smog that led filmmaker John Waters to remark, “Only in L.A. will you glimpse a green sun or a brown moon,”…
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David Colgan
A few weeks ago, we told you the story of UCLA Senior Practicum students who braved wind, high surf and chilly waters to protect marine life. El Niño tossed them…
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David Colgan
In the southern part of the state, the California newt—Taricha torosa—has been showing up at breeding grounds nearly 20 percent underweight, on average. The drastic change has evolutionary biologist Gary…
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David Colgan
Daniel Swain elevates weather talk to the stratosphere. He’s a Ph.D student studying atmospheric patterns and extreme weather at Stanford University. He’s also the creator of the California Weather Blog,…
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David Colgan
For decades, recycling has been a focal point for environmentalists. And yet California—a state known for its progressive, earth-friendly ethos—has been slow to recycle an important and scarce resource: water.…
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David Colgan
Time was of the essence, but they weren’t rushing to a music festival or spring break in Mexico—they just didn’t want to miss low tide. It’s a routine that Denita…
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David Colgan
The Los Angeles County Energy Atlas is an interactive map that combines utility data, census information and details about buildings—their age, size and whether they’re used for residential or commercial…
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David Colgan
It was more than 16 million years ago, so times were different. But there was one important similarity with the world we live in today: The air contained about the…
