Greenpeace activists dressed as penguin during the street play and the Petition signing drive for a ban on the light bulb against global warming and the melting of polar ice caps at Delhi on Monday,07 May 2007.Greenpeace calls for a ban on light bulbs,a cause of high carbon emission,to stop climate change.

Photographer: T. Amrutraj

Tags: EnvironmentGlobal WarminigIssueLightBulbAwarenessPhoto Stock