By Matteo Cimellaro, Local Journalism Initiative Reporter, Canada’s National Observer A road map for an environmental assessment of northern Ontario’s Ring of Fire mining region was announced Monday by the federal government and 15 First Nations. But questions remain about the provincial government’s role moving forward. The Ring of Fire, about 540 kilometres northeast of Thunder Bay, is set to play a pivotal role in Ontario’s ambitions for a robust electric vehicle supply chain. A road to the region and transmission lines has been proposed to access potential mining areas for chromite, cobalt, nickel and more. The federal and First Nation-led assessment will review the transmission lines, road and all development in the region, including future mines. The assessment will consider cumulative and interactive impacts of a developed North, and…