Inside every smartphone and tablet lies a dense brick with a dark and complex history: its battery. The lithium that ferries charge back and forth likely started out in South American salt flats, where months of evaporation consumes millions of tons of water in some of the world’s driest regions.

The cobalt that buffers the material against the ravages of daily recharging probably came from the Democratic Republic of the Congo, where children have allegedly been maimed and killed extracting it from the ground.

Amazon, Panasonic, and Recycling Battery Start-Ups… | Devamı>>>