Miners grow anxious as Canada tightens foreign investment rules

New rules from Ottawa bolstering the Investment Canada Act (ICA) to give government ministers power to block or unwind foreign investment in critical minerals are expected to be top of mind at this week's annual Prospectors and Developers Association of Canada conference in Toronto.Len Wagg/HALC Junior mining companies hoping to produce lithium, nickel and other green energy metals are worried that Canada's crackdown on some overseas investors may limit their ability to raise funds for mines and related facilities. Ottawa last fall proposed bolstering its Investment Canada Act (ICA) to give government ministers power to block or unwind critical minerals…