1. Research and Transfer Centre “Sustainable Development and Climate Change Management”, Hamburg University of Applied Sciences, Hamburg, Germany
2. School of Science and the Environment, Manchester Metropolitan University, Manchester, UK
3. Environmental Science, Allegheny College, Meadville, PA, USA
4. Department of Agricultural Economics, University of Nigeria, Nsukka, Nigeria
5. School for Natural Sciences and Technology for Education, North-West University, Potchefstroom, South Africa
6. Faculty of Engineering and Architecture, University of Passo Fundo, Passo Fundo, Brazil