In order to show that every four minutes an area the equivalent of a football pitch is deforested in Brazil, the WWF changed the colour of the pitch from green to a dead dark brown sporadically during the match.
In Milan, British designer Vivienne Westwood turns the mannequins in her store window into victims of domestic abuse, giving them black eyes and bruises, to raise awareness of a growing problem.
Credit Advertising agency: Leo Burnett, Milan. Source: Youtube