What question did this study set out to answer?

To quantify global urban water scarcity in 2016 and 2050 across varying socioeconomic and climate change scenarios, while assessing potential infrastructure solutions.

August 3, 2021SHILAP Revista de lepidopterologíaOpen Access

Future global urban water scarcity and potential solutions

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To quantify global urban water scarcity in 2016 and 2050 across varying socioeconomic and climate change scenarios, while assessing potential infrastructure solutions.
Modeled global urban water scarcity comparing 2016 baselines to 2050 projections under four combined socioeconomic and climate change scenarios.
Assessed mitigation feasibility through infrastructure investment and analyzed associated environmental trade-offs across global cities and megacities.
The global urban population facing water scarcity is projected to rise from 933 million in 2016 to 1.693–2.373 billion by 2050, with India experiencing the largest increase (153–422 million people).
The number of large cities exposed to water scarcity is projected to grow from 193 to between 193 and 284, including 10–20 megacities.
Infrastructure investments can alleviate water scarcity for more than two-thirds of affected cities, but requires management of significant environmental trade-offs.

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Implication

Modeling study projects rising water scarcity in urban populations by 2050, highlighting the need for infrastructure investment alongside environmental safeguards.

Cite This Study

He et al. (2021) studied this question.

synapsesocial.com/papers/69d6ee6efca0359822aa8cf3 https://doi.org/10.1038/s41467-021-25026-3

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Implication

Modeling study projects rising water scarcity in urban populations by 2050, highlighting the need for infrastructure investment alongside environmental safeguards.

Future global urban water scarcity and potential solutions

Key Points

Discussion

Implication

Cite This Study

Future global urban water scarcity and potential solutions

Key Points

Discussion

Implication

Cite This Study