The YouthMappers UFRJ chapter (Rio de Janeiro, Brazil) and the Virtual Institute for Sustainable Development (IVIDES.org) carried out a field mapping of trees on OpenStreetMap on the campus of the Federal Rural University of Rio de Janeiro (UFRRJ), with the support of mobile applications. The MapComplete (https://mapcomplete.org) application was used to record photographs of the individual trees and include data on relevant attributes, such as the circumference of the tree, i

My journey with YouthMappers began in 2022, fueled by enthusiasm but hampered by technological constraints. My initial laptop barely functioned, and when it finally gave out, my phone followed suit. However, these setbacks did not deter my commitment. I borrowed laptops from friends, participated in online training sessions, and gradually honed my skills, particularly in JOSM (Java OpenStreetMap Editor). As the Media and Publicity Director for my chapter, I channeled my crea

The next decade is about scaling not just data, but impact—ensuring the maps we make reflect the communities we call home.