The world's road to water scarcity: shortage and stress in the 20th century and pathways towards sustainability.

Sci Rep · 2016 · PMC5146931 · PMID 27934888

Europe PMC DOI

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a decreasing trendno p-value reported

A good example is North America, where the west coast experienced a decreasing trend while on the east coast, water consumption per capita increased.

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an increasing trendno p-value reported

Nearly all sub-national trajectories show an increasing trend in water scarcity.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.