Arizona limits building as groundwater dries up

New houses that rely on dwindling groundwater supplies around one of the United States' biggest cities are to be banned, officials said Thursday, in a sign of the strains that drought and climate change are causing across ...

Turning wood into plastic

Efforts to shift from petrochemical plastics to renewable and biodegradable plastics have proven tricky—the production process can require toxic chemicals and is expensive, and the mechanical strength and water stability ...

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