1. Clingendael – The Netherlands institute of international relations: a European green deal for militaries to strengthen europe's defence the relevance of greening the military;Schaik,2022
2. European Parliament report on green transition in the defence sector: CESI calls for proper consultations of military staff – CESI,2022
3. Fit for 55 package,2021
4. Report on the RESHUB feasibility study : support for sustainable energy and mobility in the Slovenian defence sector;Mori,2022