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SCIENCE · Phys.org · 2026-09-24 · editor 9/10 · 1 min read fact-checkedquick bite

Alaska's orange rivers are more metallic than acid mine drainage

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A University of California, Davis study of six Alaskan Brooks Range watersheds found the bright orange river plumes observed since 2018 are more acidic and metallic than water from acid mine drainage, despite the area’s pristine surroundings.

Editor's note: Correctly mirrors the source summary about Alaska's orange river plumes.

This article is AI-generated and fact-gated. Original reporting: Phys.org