[1
] Research and Transfer Centre “Sustainability and Climate Change Management”, Hamburg
University of Applied Sciences, Hamburg, Germany
[2
] Mahatma Gandhi University, Guhawati, India
[3
] Research Centre of Energy Efficiency and Sustainability, University of Southern Santa
Catarina, UNISUL, Palhoça, Brasil
[4
] Department of Civil and Environmental Engineering (DECA), Engineering Sciences and
Global Development (Esc&GD), Barcelona School of Civil Engineering, Universitat
Politècnica de Catalunya, Barcelona, Spain
[5
] Department for Pedagogy and Andragogy, Faculty of Philosophy, University of Belgrade,
Beograd, Serbia
[6
] Green Academy, Nottingham Trent University, Nottingham, UK