hi carbonbiru, introduce my name, Nur Ulina Warnisyah Sebayar, I am currently working as a lecturer at a university in North Sumatra, my scientific field is soil biology, where I am very interested in the environment, minimizing waste, also about carbon. Currently I am married and have one son, I am 30 years old, and I really enjoy doing research and community service in the environmental field. I carry out research in the form of waste composting, composting marine organic waste, and so on. I live in Medan. Happy to be part of Karbonbiru, I hope can join.