Chapter 1. Environmental data control in smart buildings. Big Data Analysis and existing IoT Technological Systems -- Chapter 2. Need of Technological Interventions for Indoor Air Quality and Risk Assessment upon short-term exposure: A Futuristic Approach -- Chapter 3. Climate-neutral districts with decentralized energy production, E-Mobility and through the formation of an energy community exchange of electricity and heat -- Chapter 4. IoT Enabled Zero Water Wastage Smart Garden -- Chapter 5. IoT based Human Activity Recognition for Smart Living -- Chapter 6. Application of Data Mining to Support Facilities Management in Smart Buildings -- Chapter 7. Application of Artificial Intelligence in Ambient Assisted Living to Support Elderly People in Smart Homes. .