...[T]he Mexican Supreme Court issued a ruling regarding the construction of a new copper tailings dam in Sonora by Southern Copper Corporation subsidiary Buenavista del Cobre...The community of Bacanuchi, represented legally by PODER, claimed that there was no public participation prior to the Secretariat of Environment and Natural Resources (SEMARNAT) granting authorization to the company for the construction of the tailings dam.  The Supreme Court ruled that the affected communities have a constitutional right to participate in environmental matters.  The decision is definitive and there is no right to appeal...