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> Next generation LEDs are cheap and sustainable Sustainable ? Made from tropical forest trees ?
by hulitu 2y ago
> Next generation LEDs are cheap and sustainable
Sustainable ? Made from tropical forest trees ?
- ForTheKidz 2y agoIt seems their environmental impact was defined in terms of the (environmental) cost of mining gold. "The greatest environmental gain would instead be achieved by replacing gold with copper, aluminium or nickel, while maintaining the small amount of lead needed for the LED to function optimally."