project Pacific Oceana Gold taken trial Geneva violations human rights Salvador Canadian Embassy Lado Oscuro Impactos Minería Metálica PRESS RELESE Environmental Organizations Dennounce Privatization Water Informe Especial sobre Proyecto Minero Potenciales Vulneraciones Derechos Humanos Población Salvadoreña Modern Rush Tocoa declared free Delegation participants Mining company delays complying with ruling reaches government Sanchez Ceren Prior Informed Consent CEIBA experience Guatemala Statement