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How to save water: plumbing can be changed but people can’t

A luxury bathroom sink faucet with running water in a residence in Singapore.

Replacing taps and toilets in flats in Singapore reduced water use by 3.5% over 10 years. Credit: Carlina Teteris/Getty

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Nature 604, 221 (2022)



  1. Agarwal, S., Araral, E., Fan, M., Qin, Y. & Zheng, H. Nature Hum. Behav. (2022).

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