1. UNFCCC. Adoption of the Paris agreement. In: United nations framework convention on climate change, 21st conference of the parties, Paris, United Nations; 2015.
2. IPCC. Climate change 2014: synthesis report. contribution of working groups I, II and III to the fifth assessment report of the intergovernmental panel on climate change; 2014.
3. IPCC. Global warming of 1.5°C. An IPCC Special Report on the impacts of global warming of 1.5°C above pre-industrial levels and related global greenhouse gas emission pathways, in the context of strengthening the global response to the threat of climate change, sustainable development, and efforts to eradicate poverty. In: Masson-Delmotte V, Zhai P, Pörtner HO, Roberts D, Skea J, Shukla PR, et al., (Eds.); 2018.
4. IEA. The Future of Hydrogen. Report prepared by the IEA for the G20 in Japan; 2019.
5. Hydrogen Council. Hydrogen scaling up. A sustainable pathway for the global energy transition; 2017.