The Congolese town of Rubaya produces around 15% of the world’s coltan — a mineral that powers the modern world — all dug manually by impoverished locals who earn a few dollars per day. Control of the mine is the biggest prize in a long-running conflict in the central African nation.   Sharon Kimathi breaks down an in-depth Reuters investigation and why parties like the U.S. and China have been getting involved.   🔗 Sign up for Reuters Sustainable Switch newsletter at our link in bio.   #congo #coltan #tech #phone #mine