Public fountains offer sustainable hydration under rising urban heat, but people often avoid them. Research now shows that contamination aversion reduces fountain use, while hygiene cues promote it.
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Murray, D.R. When clean isn’t enough. Nat Water 4, 6–7 (2026). https://doi.org/10.1038/s44221-025-00537-1
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DOI: https://doi.org/10.1038/s44221-025-00537-1
