The use of Strategic environmental assessment (SEA) is promoted as a tool to facilitate environmental impact assessment (EIA) from project level to policies, plans and programmes (PPPs) level.

• 战略环境影响评价是项目环评向规划、计划、政策层次的扩展,我国目前在这方面的研究还处于初级阶段,需要对一些有针对性的技术方法和评价体系进行完善。