Urban mining: Hidden riches in our cities

[longknife]

An interesting article that goes beyond simple recycling systems. Not just special picups from homes, but a wide range of useful sources.

Cities hold tons of materials that can be reused — and doing so can address over-exploitation of scarce natural resources. From buildings to electronic waste, we are surrounded by value. So how does urban mining work?

More @ Urban mining: Hidden riches in our cities | Environment| All topics from climate change to conservation | DW | 12.03.2018

 

[Old Rocks]

Many here have been wringing their hands over what will we do with the lithium batteries in the EV's when they are done. As Elon Musk pointed out, those batteries are far richer in cobalt and other metals than any known ore sources. So they will be recycled at a profit.