Greenpeace protesters dressed as humpback whales clash with security during demonstration at oil company in Brazil

Greenpeace protesters dressed as humpback whales scuffle with security in the lobby of OGX Brasil as workers, right, react in Rio de Janeiro, Brazil, Wednesday Aug. 31, 2011. Greenpeace activists are protesting at the oil-services and shipbuilding company controlled by Brazilian billionaire Eike Batista. Greenpeace's Brazil energy campaign coordinator Ricardo Baitelo says the group wants to prevent oil companies such as OGX from exploring for oil near Brazil's Abrolhos National Park. (AP Photo/Silvia Izquierdo)