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Composites based on fiber are commonly used in high-performance building materials. The composites mostly use petrochemically derived fibers like polyester and e-glass, due to their advantageous material features like high stiffness and strength. All the same, these fibers also have important shortcomings related to energy consumption, recyclability, initial processing expense, resulting health hazards, and sustainability. Increasing environmental awareness and new sustainable building technologies are driving the research, development, and usage of “green” building materials, especially the development of biomaterials.

In this chapter, the natural fiber evaluation approach is applied, which covers a diverse set of criteria. Consequently, the comparative assessment of diverse natural fiber types is applied through the use of an expert decision system approach. The best performing fiber choice is made by comparatively evaluating the materials related to green building. The proposed fiber can be used and applied by green building material manufacturing companies in various countries or locations as a reference when selecting the fiber with the best performance.

Menstruation is a normal physiological process that occurs in adolescent girls, but it is often shrouded in taboo and stigma in Indian society. Socio-cultural norms and restrictions imposed by families and society can lead to ignorance and lack of access to accurate information and hygienic practices, which can negatively impact women’s physical and mental health throughout their lives. This study seeks to understand adolescent girls’ knowledge and awareness regarding menstruation, including their source of information, changes in their behavior and routine during their menstrual period, socio-cultural beliefs and norms they follow, and the impact of menstruation on their lives. This study was conducted in the state of Haryana, located in northwest India, in 2013. The sample consisted of 376 rural adolescent school-going girls. The study employed a mix-methods approach, using a self-administered structured close-ended questionnaire survey and semi-structured in-depth interviews as the data collection method. In order to enrich the study, additional data were collected through interviews with university-level girl students in 2016. And, further in 2022, during my PhD fieldwork, I got opportunity to discuss informally on the issue with the women in rural areas of the same region. The results found a lot of challenges for menstrual women which impact women’s physical and mental health. The enforcement of a lot of restrictions on the menstrual body makes them feel inferior and create hurdles in women’s growth and capabilities.

This chapter provides an overview of the century-long economic history of scheduled passenger airlines services in developing countries. Initially there is discussion of what constitutes a developing country and how airlines activities interact with development processes. It is a broad view which compares and contrasts the varying paths civil aviation has taken within different countries and internationally. It offers some insights as to why airlines are where we are today and as to what the future may hold for developing nations.