1. Statistical Review of World Energy globally consistent data on world energy markets. and authoritative publications in the field of energy;BP Energy Outlook,2021
2. H. Ritchie, R. Max, P. Rosado, CO₂ and greenhouse gas emissions, OurWorldInData.Org. (2020). https://ourworldindata.org/co2-and-other-greenhouse-gas-emissions.
3. Comparing national greenhouse gas budgets reported in UNFCCC inventories against atmospheric inversions;Deng;Earth Syst. Sci. Data,2022
4. DIRETTIVA (UE) 2018/2001 DEL PARLAMENTO EUROPEO E DEL CONSIGLIO dell’11 dicembre 2018 sulla promozione dell’uso dell’energia da fonti rinnovabili;Off. J. Eur. Union,2018
5. 2021-Market state and trends in renewable and low-carbon gases in Europe;Jens;A Gas for Climate report,2021