I really like how the Surfrider Foundation have represented the effects of plastics in the ocean. Showing the plastic in sushi which is sea food to represent the ocean I think is a clever and very creative way to grab people's attention.
A collection of 50 AMAZING Guerrilla Marketing Ideas and Examples! Funny, Interesting Ideas for Guerrilla Marketing, Stealth Advertising, Underground Marketing,
Outdoor advertisment created by Publicis, Singapore for Crisis Relief, within the category: Public Interest, NGO.