https://ec.europa.eu/info/sites/info/files/2019-efb-annual-report_en.pdf
https://www.openglobalrights.org/thinking-strategically-about-climate-litigation/
https://www.d-kart.de/en/blog/2020/05/11/ultra-vires/
https://op.europa.eu/en/publication-detail/-/publication/8ba0a8fd-4c83-11ea-b8b7-01aa75ed71a1