Chile · Mining

Key Facts

Legal challenge Community groups in Penco filed a reclamación de invalidación to overturn the environmental permit (RCA) for Aclara Resources’ rare-earths project.

Unanimous approval The Biobío Regional Environmental Commission approved the RCA unanimously in early June 2026; Aclara called it its final environmental milestone.

Resident concerns Groups allege the review ignored pollution, health, and quality-of-life risks from material removal near the town of Penco.