Mine Closure (2022), https://www.acgmineclosure.com/, is the most important annual conference on mine rehabilitation and closure at an international level. LIFE RIBERMINE had two communications. One of them (Martín Duque et al) was presented at a plenary session, with about 400 people in the room, at the best possible time (after the opening event). The second one (Hancock and Martin Duque) was presented at a thematic session, with about 200 attendees.