1. Ocean energy in the the world project;Anon,1999
2. Communication from the commission to the European parliament, the council, the European economic and social committee and the committee of the regions youth opportunities initiative;Anon,2011
3. WMO guidelines on the calculation of climate normals;Anon,2017
4. Plan Nacional Integrado de Energía y Clima (PNIEC) 2021–2030;Anon,2019
5. Biodiversity strategy for 2030;Anon,2020