The company halted production and transport operations for 90 days at the Minas-Rio mine to comply with a request by authorities that it inspects a pipeline that has leaked twice.
Even though different research groups are trying to recover gold from electronic waste, in most cases they are using environmentally unfriendly techniques.
Cobalt27 CEO lines up Chinese automaker deals, ponders HK listing: “There is a lot of interest and it is natural because it is where all this will happen”.