How do scientists monitor the populations of the threatened California red-legged frog? With careful listening and a little help from AI.
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The famous tree in northern England is believed to have been around 200 years old. Efforts are under way to salvage it through regrowth or grafting — or starting over from a new seed.
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President Joe Biden Thursday declared that a major disaster exists for the La Jolla Band of Luiseño Indians and ordered federal aid to supplement tribal efforts in the areas affected by Tropical Storm Hilary last month.
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The company Streetlight Data found the San Diego metropolitan region saw the second highest increase in bike trips of anywhere in the country.
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The Biden administration is trying to dramatically change how and where oil and gas drilling occurs on federal land, which is getting mixed reviews in longtime drilling boom-towns.
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The program is part of the state's efforts to fight climate change. Billing cycles vary for customers, so not every ratepayer will see the credit at the same time, according to SDG&E.
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San Diego County is the recipient of a $5.1 million grant intended to assist people experiencing homelessness along the Sweetwater Riverbed between Chula Vista and National City, it was announced Tuesday.
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Electric vehicles and solar power are growing quickly and offering hope the world could still meet climate change goals.
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Environmental journalist Ben Goldfarb says cars are killing animals, while highways cut off them off from their food sources and migration paths. His new book is Crossings.
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As the U.S. plans new mines for copper, lithium and other metals to use in green technologies, mining projects in the West could threaten scarce water supplies.
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