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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Some 400 to 600 Asian elephants are believed to remain living in the wild in Cambodia. Researchers said the study's findings underscore the potential of a "national stronghold" for the species.
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Vaccines could be a key means of suppressing bird flu and avoiding the slaughter of millions of chickens, which is blamed for egg prices averaging nearly $5 a dozen.
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Schools in the Spencer Valley School District closed at noon Thursday due to inclement weather and hazardous road conditions.
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The Environmental Protection Agency didn't provide details about what it wants to do with the regulations — whether it will try to weaken them or eliminate them entirely.
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As a trade war grew this week, Ontario's leader threatened a surcharge on Canadian electricity sold in some U.S. states. The episode highlighted the U.S. reliance on imported Canadian power.
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A late-winter storm brought widespread showers to the San Diego area, dropping modest amounts of moisture, and another round of rain is on the way Wednesday.
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Clean energy is crucial to meet rising U.S. electricity demand, according to industry analysts and executives. But the Trump administration's actions could slow development.
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Rainy weather will return to San Diego County, with heavier, wet conditions and moderate winds starting Tuesday and lingering through the weekend.
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The decades-long binational sewage crisis on the U.S.-Mexico border continues to threaten the health of millions of people.
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The rain will begin falling early Tuesday and continue off an and through Saturday in most parts of the county with a brief break Wednesday.
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