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Articles on Water shortage

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New technologies that can clean salty or polluted water could help meet growing water needs. Science Photo Library/Getty Images

A new way to remove salts and toxic metals from water

Desalination can help meet growing water needs globally. But toxic wastewater and inefficiency hamper current techniques. A new approach uses custom membranes to clean water more easily.
An orchard near Kettleman City in California’s San Joaquin Valley on April 2, 2021. Frederic J. Brown/AFP via Getty Images

Water wells are at risk of going dry in the US and worldwide

The US has one of the highest groundwater use rates in the world. When wells run dry, households may opt to conserve water, find new sources or sell and move.
Futures won’t affect whether there’s water in the hose. Bettmann/Getty Images

Why Wall Street investors’ trading California water futures is nothing to fear – and unlikely to work anyway

The world's first futures market for water launched in California in December. Two commodities experts explain how it works, what the potential problems are and why there's no reason to freak out.
Visualization of the Tropical Rainfall Measuring Mission satellite in space over a tropical cyclone. NASA

We use satellites to measure water scarcity

Climate change threatens the water supply of nations around the world. But it's difficult to measure whether a region has sufficient water to satisfy the people who live there. Could satellites help?

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