I found the use of two colours on this poster attention grabbing. It has all the important details on and it and one main focus.
charity: water poster is short, sweet, to the point - and makes a hard hitting impact about the company's purpose.
Social/Political Posters - Graphis
Viva con Agua #Charity #Bottle Poster | http://www.gutewerbung.net/viva-con-agua-charity-bottle-poster/ #Advertising
In this poster which is about an oil spill charity, uses a good difference in colour to distinguish the oil spill into the water
Hits the nail on the head Such a simple idea with a very #powerful message.
Be the change <3
Unicef | End Trafficking Campaign | Image 1 of 4
SRD | Branding
Reduce your footprint #WWF
Advertising and Marketing Wins
10 Best Awareness Advertisements Posters on HIV AIDS
Std dating sites
Pure Water For Health