Sustainable design, an hot topic nowadays, is the philosophy of designing physical object to comply with the principles of economic, social and ecologic sustainability. And eco-fashion is part of this growing philosophy and trend of sustainability.
Fashion designers, after the consumerism trend of the 1980s and 1990s, are now re-introducing eco-conscious methods at the source through the use of environmentally friendly materials (recycle wool, recycle polyester from plastic bottle, and bio natural fiber) and socially responsible methods of production.
For more information: national association of sustainable fashion designers.
And also: "Sustainable Fashion and Textiles: Design Journeys".