Japan is exploring the feasibility of forging the Olympic 2020 medals using precious metals salvaged1 from electronic waste.
Members of Japan's Olympic organising committee tabled the idea to government officials and companies earlier this year, local media reports said.
Olympic host cities have traditionally obtained the metal from mining firms.
But Japan, which lacks its own mineral resources, is keen to take the theme of a sustainable future a step further.
The International Olympic Committee (IOC) has developed strict criteria2 for the world's greatest sporting event, and this extends to how the medals should be produced.
The Rio Olympics, for example, used gold that was extracted without the use of mercury and a third of the silver and bronze used came from recycled sources.
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