TY - BOOK ED - The World Bank TI - Operational directive 4.01 : environmental assessment U1 - RM PY - 1991/// CY - Washington PB - The World Bank KW - MEDIO AMBIENTE KW - EVALUACION AMBIENTAL KW - AUDITORIA AMBIENTAL KW - USA N1 - 03269 N2 - The purpose of environmental assessment is to improve decision making and to ensure that the project options under considerations are environmentally sound and sustainable. All environmental consequences should be recognized aerly in the project cycle and taken into account in project siting, planninga and desing ER -