Nation Apr 13 The U.S. is worried about shortages of critical minerals for electric vehicles, military tech By Jordy Lee, Morgan Bazilian, The Conversation
World Sep 18 Watch 7:25 In Cambodia, sand mining is big business — but it comes at a price Sand mining accounts for 85 percent of all worldwide mineral extraction, a $70 billion industry. In Cambodia, the practice is big business -- but it comes with a price. The country relies upon the Mekong River for commerce and transportation,… By Fred de Sam Lazaro, Sarah Clune Hartman