Greenpeace environmental stickers are seen on gas pumps at a Shell gas station in Prague
Greenpeace environmental stickers are seen on gas pumps at a Shell gas station in Prague September 13, 2012. Greenpeace environmental activists are protesting against Shell's Arctic oil drilling project in the north of Alaska. REUTERS/David W Cerny (CZECH REPUBLIC - Tags: BUSINESS ENERGY ENVIRONMENT POLITICS CIVIL UNREST)