Low Levels of Caffeine Found in Waters of U.S. Pacific Northwest

Yale Environment 360: In a new study, scientists document low levels of caffeine pollution in the waters off the Oregon coast, fresh evidence that contaminants from human waste are entering marine ecosystems with unknown risks to wildlife and human health. In a series of tests conducted at 14 coastal locations, researchers found that caffeine levels were higher -- about 45 nanograms per liter -- in remote waters, while levels were below reporting limits (about 9 nanograms per liter) near “potentially polluted” areas such......

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