California Environmental Quality Act (CEQA) has continued for more than 30 years with disclosure. This study analyzed the reported court decisions, which are related to CEQA. Talking about their points of view for citizens, and fair arugment about understandings and operation of CEQA for public agency and private business, are important meanings of the law cases. Disclosures at the early phase of the project and feedback system through the court decisions accelerate the action to avoid significant environmental impact and to pay careful consideration for residents. Necessity of the study from diversified viewpoints contributes to increase the quality of the projects.
