Hollywood Actor and Green Ambassador for Global Cool, Sienna Miller with Bollywood Superstar and IIFA Brand Ambassador Amitabh Bachchan pose together in a umbrella as they launch crusade against global warming in Mumbai on Tuesday,17 July 2007.

Photographer: Kedar Nene

Tags: HollywoodActressGreen AmbassadorGlobal CoolBlack T ShirtBollywoodActorIndian CinemaFilm IndustryBrand AmbassadorPoseMeetLaunchGlobal WarmingPhoto Stock