Cool roofing technologies play a significant role in moving towards a low-carbon cleaner world, as energy conservation through building energy efficiency has acquired prime importance to mother earth. The four main aspects for improving energy efficiency in building cooling are : (1) nearly zero energy passive building roof design, (2) usage of low thermal conductivity roofing materials, (3) utilization of smart technologies and energy-efficient equipment for cool roof systems and (4) integration of active and passive cooling roof technology systems for sustainable development. Hence, the sustainability assessment of buildings is becoming necessary for sustainable development, especially in the building sector, all over the world. The main goals of developing building cooling technologies are to reduce depletion of critical resources, such as electricity and raw materials, resulting in a lower carbon footprint, to prevent environmental degradation caused by facilities, infrastructure, and greenhouse gas emissions; and to create built environments that are safe, productive, and effectively utilize renewable energy.

The aim of this Research Topic is to present new findings and new proven practice aimed at reducing the energy needs of a building and improving indoor comfortability and environmental quality. The collection should focus on cool roof, green and renewable energy technologies for sustainable buildings which are considerably advancing building science. Preference is given to practical and experimental research articles reporting significant innovations. Articles reporting advances in theoretical and simulation methods in cooling roof system integrated with renewable energy technologies for sustainable buildings are welcome, once results are fully validated using appropriate experimental data, and so are articles reporting the application of numerical or theoretical methods for the analysis of new technology, green materials and innovative cool roof system designs for buildings.

This Research Topic welcomes submissions including, but not limited to, the following:
• Energy demands and consumption for cool roofing systems in existing and future sustainable buildings - prediction and validation
• Indoor environment quality monitoring
• Natural, mechanical and mixed ventilation in buildings
• Application of solar and other renewable energy sources for roofs, walls, floors in reducing the room temperature in buildings
• Green materials for cool roof system for sustainable buildings
• Thermal management in buildings
• Green Roofs

We intend to encourage scientists to publish their experimental and theoretical research on varied aspects of cool roof sustainability systems (including active and passive cool roof system, thermal management, sustainable consumption and production, conservation and management of natural resources, ventilation system in buildings, etc.) in the fields of multidisciplinary engineering and built environment designs (building roof structures, green roof materials, construction technology and management, renewable energy, smart technology, nano technology and building services)

Permission to use this cover image was given by Guz Architects, Singapore.

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