Day Zero Drought

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“Day Zero Drought” Threatens U.S. Cities and the World Sooner Than Expected, Study Warns

October 8, 2025

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A recent study published in Nature Communications warns that “Day Zero Drought” — when surface water supplies run dry — could affect major U.S. cities like Washington D.C., Phoenix, and San Diego sooner than expected.

A recent scientific study has warned that the United States and several regions worldwide may face unprecedented water crises, known…