Some 70 Roman Catholic bishops from around the world and a global Catholic development agency are urging the EU to make proposed rules for so-called conflict minerals binding on companies, rather than seeking voluntary compliance.

“Companies are selling products containing natural resources that fuel violence and suffering,” the bishops’ statement says. “We, Catholic leaders throughout the world, call on the EU to put an end to this.” The statement was supported by CIDSE, a coalition of international Catholic development agencies.