Norway’s Parliament is expected to approve later on Wednesday plans by the government’s US$1-trillion fund—the world’s biggest sovereign wealth fund—to divest from oil and gas exploration companies in a landmark decision that could impact future investor attitude toward fossil fuels. After months of deliberations, Norway’s government proposed in March that the Government Pension Fund Global, as the so-called ‘oil fund’ is officially known, divest from 134 companies classified by the index…