Hennes & Mauritz (H&M), one of the largest retailers offering high fashion, is the world’s biggest user of sustainable cotton and man-made cellulosic materials, according to a recent report. This has put the Sweden-based firm one step closer towards our goal to only use recycled or other sustainably sourced materials by 2030. H&M group is also the world’s biggest user of sustainably sourced down and one of the biggest users of sustainably sourced wool, revealed the Preferred Fibre Materials Market Report.