Ottawa plans early next year to create an independent office to oversee Canadian mining, oil and gas companies’ activities abroad, a government spokesman said on Tuesday, a move that environmental and human rights groups have long demanded... The move would fulfill a 2015 campaign promise by Canadian Prime Minister Justin Trudeau’s Liberal Party to appoint an extractive industries’ watchdog. Nearly two-thirds of the world’s public mining companies are listed in Canada... Non-government groups have called for years for greater oversight of Canadian mining companies abroad following a number of environmental incidents and accusations of human rights abuses.