1. IPCC, Climate Change 2014: Synthesis Report, in: Core Writing Team, R.K. Pachauri, L.A. Meyer (Eds.), Contribution of Working Groups I, II and III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, IPCC, Geneva, Switzerland, 2014, 151 pp.
2. Eurostat, EU key indicators. https://ec.europa.eu/eurostat/.
3. The many colors of hydrogen;Kusoglu;Electrochem. Soc. Interface.,2021
4. Solar Hydrogen Generation: Toward a Renewable Energy Future,2008
5. Recent developments in solar water-splitting photocatalysis;Osterloh;MRS Bull.,2021