C.L.E.E.N. - Creating a Living Environment Ecologically NaturalLogo Design Contest Logo Design Contest Contests / C.L.E.E.N. - Creating a Living Environment Ecologically Natural C.L.E.E.N. - Creating a Living Environment Ecologically Natural has selected their winning logo design. For $300 they received 157 designs from 35 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by pleo Return to Contest Return to Contest Prefers others. #25 Prefers others. #19 Discussion No comments yet.