Articles on Water use

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Brazil’s Marajó Archipelago on the Amazon river delta is the world’s largest tidal island. Roughly the size of Switzerland, its rich biodiversity and landscapes combine Amazon rainforest, mangroves, and freshwater. Dado Photos/Shutterstock

Why safe water is still lacking in the Marajó Archipelago, one of the world’s most water‑abundant regions

Brazil holds 12% of the world’s freshwater reserves and yet growing water insecurity reveals some of the country’s deepest sanitation inequalities, which are particularly relevant to Marajó, its largest coastal island.
The dried out Lake Urmia was once the Middle East’s largest saltwater lake, now it creates plumes of dust that travel for miles. Daan Kloeg/Alamy

Iran’s environmental catastrophe has also wrecked its economy

Iran’s leaders could use the peace dividend to invest in fixing its severe environmental problems.
Artificial intelligence systems can optimize airline routes and reduce contrails. Richard Newstead/Moment via Getty Images

Despite its steep environmental costs, AI might also help save the planet

Artificial intelligence systems have big environmental costs but are also finding ways to save energy and water, cut emissions and make businesses more efficient.

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