Pitis, D.C. , Carr, D. , Rasmussen, G. and Walstra, C. 2023. New Approach Towards Sustainability – The Global Efficiency Concept (GEff). Journal of Environmental Science and Engineering Technology. 11, (Dec. 2023), 35–51. DOI:https://doi.org/10.12974/2311-8741.2023.11.04.