AFP: Greenpeace campaigners who boarded an oil drilling ship near the Shetland Isles in protest at exploration in the North Sea have enough food and drink to stay for a month, the group said. Two activists from the environmental lobby group spent Tuesday night in a tent suspended by ropes from the anchor chain of the Stena Carron drill ship, which is owned by US oil giant Chevron. The group has attached a purpose-built, two-metre-wide “survival pod” containing two more activists. …