The document discusses environmental impact assessment and strategic environmental assessment in the context of urban planning. It provides an overview of environmental impact assessment (EIA) at the project level and its limitations. It then introduces strategic environmental assessment (SEA) which aims to strengthen EIA by allowing for assessment at the planning level, public involvement, and comprehensive assessment of multiple projects. The document also presents a case study of SEA for waste dumping site planning in Japan as an example. Finally, it discusses the concept of environment city planning which takes a more proactive approach to environmental considerations compared to traditional EIA.