The search for raw materials to feed the all-powerful Sarlacc of capitalism is pushing industries to increasingly remote and alien environments. One of the most exciting frontiers to emerge of late is the deep ocean -- rife with valuable metals such as copper and zinc, as well as the rare Earth elements that drive our smartphones and computers. But as humanity's interest in plundering the deep of its riches heats up, scientists are warning that this new gold rush will have serious consequences.