By reclaiming precious metals from its 'urban mine' of obsolete electronics, Japan may be able to produce the medals for the 2020 Tokyo Olympics from recycled materials.
Derek Markham, Treehugger
Wed, 08/24/2016 - 1:42pm
By reclaiming precious metals from its 'urban mine' of obsolete electronics, Japan may be able to produce the medals for the 2020 Tokyo Olympics from recycled materials.