Environmental impacts created by the textiles and fashion sector are well known and acknowledged by various stakeholders involved in the entire supply chain. The entire lifecycle of textile products creates various impacts to the environment and hence any attempts to alleviate the impacts are highly welcomed. The whole sector is keen to investigate novel sustainable alternatives in terms of raw materials, processes, approaches to make the entire textiles and fashion sector more sustainable. This broad title of novel sustainable alternatives can be split into three subtopics: novel raw material alternatives, novel process alternative and novel alternative approaches. This volume is dedicated to dealing with novel sustainable raw material alternatives for the textiles and fashion industry.