BBC: Royal Dutch Shell is reviving plans to drill for oil in the Arctic in a move likely to intensify its battle with environmentalists.
The Anglo-Dutch giant's chief executive Ben van Beurden accepted that Arctic drilling "divides society", but said the world needs new sources of oil.
Greenpeace said Shell was taking a "massive risk" in a "pristine" region.
Shell also announced a $15bn (9.9bn) cut in global spending, and profit figures that disappointed investors.
The cut in investment -...