Portside

Those who dig up the valuable mineral often work in horrific and dangerous conditions, says Siddharth Kara, an international expert on modern-day slavery and author of Cobalt Red: How the Blood of the Congo Powers Our Lives.

The Post-Petroleum resource race and the potential for global strife over rare-earth elements used for sun and wind generated electricity may not, in fact, disappear in the Age of Renewables.