Will the poorest pay the biggest price? The pursuit of rare earth metals, essential for technologies from electric vehicle batteries to solar panels, risks fuelling global conflict and inequality.
Race is on for rare earth elements

Glossary
Cerium - Cerium is a versatile rare earth metal primarily used in catalytic converters, glass polishing, and alloys.
Compounds - A verb meaning to add to something. Or a substance formed when two or more chemical elements are chemically bonded together. In mixtures, the substances present are not chemically bonded together.
Renewable energy - Energy sources, such as wind and solar power, that do not use up fossil fuels and pollute the environment.
Myanmar - The largest country in mainland south-east Asia, formerly known as Burma. It is an ethnically diverse place, something that has often resulted in fierce conflict.
Arsenic - A chemical element which is very poisonous.
Cobalt - A hard silvery-white magnetic metal best known for its use in lithium-ion batteries for electric vehicles and portable devices.