1. Introduction
  1.1 Background and significance
  1.2 Research objectives
2. Understanding biophilic design
  2.1 Definition and principles
  2.2 Biophilic design elements and patterns
  2.3 Psychological and physiological benefits
3. Integration of nature in architectural design
  3.1 Natural light and views
  3.2 Indoor plants and living walls
  3.3 Water features and natural materials
4. Biophilic design in different building types
  4.1 Residential buildings
  4.2 Office spaces and workplaces
  4.3 Healthcare facilities and healing environments
5. Case studies of successful biophilic design projects
  5.1 Amazon Spheres, Seattle
  5.2 Bosco Verticale, Milan
  5.3 Phipps Conservatory and Botanical Gardens, Pittsburgh