I've been browsing the Re-dress website tonight.
Re-dress is a non-profit fashion organisation that educates and engages members of industry and society in sustainable consumption and production practices through networking, mentoring, consultancy and scheduled events.
If you'd like to read more about environmentally friendly fashion, recycling your clothes, reducing your carbon footprint, and learn about ethical impacts certain fabrics have on this planet and its inhabitants then this is the website for you.
THIS page on the site, in particular, is interesting as it lists the companies which are taking part in the 'fashion evolution'.
I've tried to access their page on animal materials but it doesn't seem to be working at the moment...