One 2008 study calculated that one ton of mobile phones without batteries contains about 130kg of copper, 3.5kg of silver, 340 grams of gold.
Hundreds of discarded batteries rattle along a conveyor belt into a crusher in a remote plant in northern India, fuelling a ...
Electronic waste (e-waste) refers to discarded electronic devices such as smartphones, laptops, televisions, and other consumer or industrial electronics that are no longer functional or needed. These ...
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