Pleins de slogans pour vous inspirer:
http://wiki.answers.com/Q/What_are_some_slogans_for_the_environment
http://greenliving.lovetoknow.com/Environmental_Slogans
http://ecofuture.net/greenslogans/
http://answers.yahoo.com/question/index?qid=20080722194456AA3vfKo
