This document discusses Moustapha Binta, a teacher and mother of four from Nigeria who is interning in San Francisco to learn about zero waste practices. It provides background information on Binta's interests in promoting STEM education for girls in Nigeria and her passion for sustainable environmental projects. The document also shares facts about Nigeria, including its large population and status as a major oil producer. It defines zero waste as sending nothing to landfills or incineration and discusses current waste management practices and challenges in Lagos, Nigeria's largest city.