The requirement to supply the raw materials for the energy transition will be unprecedented. Across copper, lithium, cobalt, nickel and other critical minerals, new mines will need to be built, and existing ones expanded to meet demand. But the question is, where in the mining industry's supply chains will inflation be most prevalent, and by how much? If there is a rush to build projects, will only some get completed and what challenges are present to complete them on time and on budget? What other challenges will the industry face in a rush to develop the industry?