This article was originally published on Ensia.Its name conjures an image of vivid deep blues. But when cobalt is dug out of the ground in ore form, there’s barely a hint of the rich hue it lends its name to. In the Democratic Republic of the Congo, which produces more than half of the world’s supply, … Continue reading Cobalt is Critical to the Renewable Energy Transition. How Can We Minimize its Social And Environmental Cost?