1. United Nations Paris Agreement
https://unfccc.int/sites/default/files/english_paris_agreement.pdf
2. Aligning National and International Climate Targets
https://www.lse.ac.uk/GranthamInstitute/wp-content/uploads/2018/10/Aligning-national-and-international-climate-targets.pdf
3. The World Bank Electricity Production from Renewable Sources, Excluding Hydroelectric (kWh)
https://data.worldbank.org/indicator/EG.ELC.RNWX.KH?view=chart
4. Eurostat Eurotat Database
https://ec.europa.eu/eurostat/data/database