Glaciers supply downstream ecosystems with reactive dissolved organic carbon during periods of ice and snow melt. An analysis of glacier meltwaters in Alaska shows that anthropogenic aerosols fertilize these waters, raising questions about glacier greening.
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Tranter, M. Ancient organics reign on glaciers. Nature Geosci 5, 167–168 (2012). https://doi.org/10.1038/ngeo1411
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DOI: https://doi.org/10.1038/ngeo1411
