Arctic Rivers Are Bleeding Orange. Scientists Just Found the Toxic Origin
Arctic rivers are turning orange due to toxic iron particles released from thawing permafrost. Researchers have confirmed that this contamination is spreading and poses significant ecological risks. The study outlines how to predict future occurrences of this phenomenon based on environmental conditions.
- ▪Thawing permafrost is causing rivers in the Arctic to turn orange due to toxic iron particles.
- ▪The contamination can disrupt ecosystems by clouding rivers and harming aquatic life.
- ▪Researchers have identified two distinct processes that lead to the rusting of rivers as permafrost melts.
Opening excerpt (first ~120 words) tap to expand
Early this year, researchers confirmed why one part of Antarctica bleeds red. In similar yet arguably more concerning news about Earth’s poles, Arctic rivers are turning orange—and scientists now know the real reason behind this shift. In a study published last year, the same team initially documented the orange slush—toxic iron particles fatal to wildlife—at Alaska’s Brooks Range. In a follow-up investigation, published recently in Communications Earth & Environment, the researchers confirmed that, as suspected, the contamination comes from thawing permafrost.
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