Forget picket signs and bullhorns. Some activists will don costumes, douse people with milk or even go underwater to make a point.
Scuba statementMaldivian Minister of Fisheries and Agriculture Ibrahim Didi signed a document calling on all countries to cut down their carbon dioxide emissions ahead of a major U.N. climate change conference in Girifushi, Maldives. Government ministers in scuba gear held the underwater meeting on Oct. 17, 2009, to highlight the threat global warming poses to the lowest-lying nation on Earth. Maldivian President Mohamed Nasheed led the meeting around a table on the sea floor, 20 feet below the surface, with ministers communicating using white boards and hand signals. Mohammed Seeneen/AP