AFP: Greenpeace said Monday its activists had arrived in the Arctic on board one of its ships to pressure Britain’s Cairn Energy to stop oil operations off Greenland’s fragile coast. Cairn Energy is drilling two wells off the west coast of Greenland and plans to drill two more before the end of October, the watchdog said. If the British group’s prospecting is successful, the Arctic “could be flooded with oil companies, all trying to operate in hazardous polar conditions,” Greenpeace …