Minerals’ Role in Sustainable Energy Sources Activity Source: The Mineralogical Society of America Grade Levels: 6-12 Background Certain minerals are called “Critical Materials for Energy” because they play essential roles in sustainable energy sources such as solar and wind, and in energy-storage devices, like batteries. But, how exactly do minerals help convert and store energy from the Sun and wind? Where do these minerals come from, and what is their path from the source to the final product? [Read More]