Critical materials are essential for clean energy applications and technologies like electric vehicles and wind turbines. This category includes copper, lithium, nickel, cobalt, and rare earth metals. However, the use of critical materials and rare earths goes beyond clean energy. These metals are also used in military equipment, medical devices, and essential technology applications. On [...] The post Disruptive Tech Theme of the Week – Rare Earths & Critical Materials appeared first on ETF Trends .