Japan wants to make 2020 Olympic medals from recycled smartphones
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The Rio Games may have just ended, but Tokyo is already gearing up for the 2020 Olympics - and organizers want to source materials for the gold, silver, and bronze medals from discarded smartphones and other electronics. The country's e-waste stream could certainly provide enough precious metals to cover the demand; the problem lies with collecting the discarded devices from the public. In 2014 Japan recovered 143 kg of gold, 1,566 kg of silver and 1,112 tons of copper - an essential component...