Sustainable Approach to Healthy Buildings Indoor

Concepts of sustainability in buildings and cities are many and there are various programmes for healthy cities and researches on indoor air quality. Wellbeing indoors depend on external factors also. The fourth skin or microbiosphere above the building envelope has not been studied well. Sustainable building or green building is being designed but such building functions well only in sustainable cities and often indoor air quality is creating sick building syndrome. Concepts of solar envelope or shadow umbrella are new thinking with the study of urban geometry and bioclimatic design coming from tradition provides new solution with modern tools. Micro urban climate can be controlled with understanding of indoor and outdoor conditions of building envelope.