1. Paris Agreement for Climate;United Nations,2015
2. Factsheet European Climate Law | Climate Action;European Commission,2020
3. European Climate Law - Framework;European Comission,2020
4. German Government Draft Law to Stricten Federal Climate Protection Law,2021
5. Klimaneutrales Deutschland 2045. Wie Deutschland seine Klimaziele schon vor 2050 erreichen kann;Kemmler,2021