Blue is always green for Austria-based fiber firm Lenzing, which just unveiled its latest venture in sustainable denim. Lenzing said its new Indigo Color technology for Tencel branded Modal fibers ...

Catherine McKinley is the author of Indigo: In Search of the Color that Seduced the World. You probably take the blue in your favorite jeans or denim bean bag chair for granted now, but it was once ...

A staff worker dries indigo-dyed cloths at a cultural and creative industries park in Kaili, southwest China's Guizhou Province, Nov. 5, 2017. (Xinhua/Cai Xingwen) ...