Aisling Byrne set up her clothes swapping company Nuw two years ago and is raising £115,000 and recently expanded it across the UK and Ireland.  Yet, Byrne never considered herself as a businesswoman, and even dropped business as a subject in school because she didn’t like it. However, it was her passion for sustainability and her experience witnessing the human impact of fast-fashion that spurred her on to create Nuw.  In this interview, Byrne talks about what sustainability means to her, tackling fast-fashion, growing a business from the ground up and what it’s like to pitch a business idea as…