The comparison of life cycle assessment and environmental impact assessment

Life Cycle Assessment(LCA)is regarded as the most promising environmental management tool.It considers the time factor.Environmental impact assessment(EIA) has been developed in our country.It is a tache which is necessary to factory or activity.It considers spatial factor.The comparison of the life cycle assessment with environmental assessment are discussed through introducing the definition and development of life cycle assessment.A new way of environmental management and assessment which is four-dimensional,new and more general can be developed.