Halkos, G. & Gkampoura, E. C. Where do we stand on the 17 sustainable development goals?? An overview on progress. Econ. Anal. Policy. 70, 94–122 (2021). Google Scholar Hassan, N. S. et al. Recent review and evaluation of green hydrogen production via water electrolysis for a sustainable and clean energy society. Int. J. Hydrog Energy. 52, 420–441...