In this Our Changing Climate video essay, I look at the horrors of the cobalt supply chain fueling the electric car and renewable revolution. Specifically, I zero in on cobalt mining in the Democratic Republic of Congo in under to uncover what exactly it takes to bring modern batteries to life. The conditions in the Democratic Republic of Congo are dismal and are fueled by a long history of colonial plunder and imperialism. To forge an environmentally ethical world that avoids the worst of climate change, we cannot turn a blind eye.