Assessing the Impact of Urban Green Roofs on Local Microclimate and Air Quality Enhancement

1. Introduction 2. Green Roofs: An Overview 2.1 History and Evolution 2.2 Types of Green Roofs 2.3 Construction and Design Considerations 3. Urban Microclimate: Influencing Factors 3.1 Definition and Components 3.2 Urban Heat Island Effect 3.3 Green Roofs and Temperature Regulation 4. Air Quality: Role of Green Roofs 4.1 Air Pollution in Urban Areas 4.2 Mechanisms of Air Purification 4.3 Case Studies on Green Roof Efficacy 5. Methodology 5.1 Research Design and Approach 5.2 Data Collection Techniques 5.3 Analysis Methods 6. Impact on Local Microclimate 6.1 Temperature Reduction Data 6.2 Effects on Humidity Levels 6.3 Surface and Air Temperature Correlation 7. Air Quality Enhancement 7.1 Pollutant Reduction Statistics 7.2 Green Roof Plant Species and Effectiveness 7.3 Long-term Air Quality Benefits 8. Challenges and Limitations 8.1 Economic and Maintenance Issues 8.2 Climatic and Geographic Constraints 8.3 Research Limitations and Gaps 9. Conclusion and Recommendations 9.1 Summary of Key Findings 9.2 Policy Implications for Urban Planning 9.3 Directions for Future Research