During Milan Fashion Week, a Greenpeace activist walks along a "vertical catwalk" on the façade of the splendid Sforzesco Castle. The action greets participants and journalists as the show opened its doors. The "green gauntlet" is thrown down to 15 luxury fashion brands as part of Greenpeace Italy's "Fashion Duel." Greenpeace is demanding brands engage in the smartest trend: beautiful clothes untainted by forest destruction and toxic pollution of our water's resources.