5.3 billion cell phones to become waste in 2022: report

More than five billion of the estimated 16 billion mobile phones possessed worldwide will likely be discarded or stashed away in 2022, experts said Thursday, calling for more recycling of the often hazardous materials they ...

Hunting down toxic substances in sludge

Analytical chemists Gabriela Castro Varela and Alexandros Asimakopoulos are hunting for toxic and unregulated chemical substances in the sewage sludge that is a by-product from the water treatment plants of Trondheim municipality.

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