Natural graphite and aluminium are the materials most commonly used across military applications and are also subject to considerable supply security risks.
One of the biggest challenges facing the mining industry is a growing skills gap created by an aging workforce and a dearth of talent waiting next in line.
When the International Copper Study Group met last October, it was expecting a market surplus of 155,000 tonnes in 2023. In May, the group changed that to a 114,000-tonne deficit.
Copper and silver are often skipped over in discussions of metals needed for the green economy, with battery metals like lithium, graphite, cobalt and nickel hogging the limelight.