- INTER'RED project: Spezialised teams - Terrorist threat - Data sources: Partners of the INTERREG V A project INTER'RED

Tourist sites illustrated on the tourist map of the Greater Region (2020 edition) - Sources: Interreg project "Digital tourism marketing for the Greater Region", https://tourismus-grossregion.eu

- Projection of total population 2022-2050 (Luxembourg: 2022-2047) - Territorial entities: arrondissements (Wallonie), départements (Lorraine), Grand-Duché (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Destatis, Eurostat, Statbel, STATEC, Statistisches Amt Saarland, Statistisches Landesamt Rheinland-Pfalz. Calculations: OIE/IBA 2022 - Geodata sources: ACT Luxembourg 2017, IGN France 2017, GeoBasis-DE / BKG 2017, NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2022

- Projection of total population 2024-2050 - Territorial entities: arrondissements (Wallonie), départements (Lorraine), Grand-Duché (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Destatis, Eurostat, Statbel, STATEC, Statistisches Amt Saarland, Statistisches Landesamt Rheinland-Pfalz. Calculations: OIE/IBA 2024 - Geodata sources: ACT Luxembourg, IGN France, GeoBasis-DE / BKG, NGI-Belgium. Harmonization: SIG-GR / GIS-GR 2024

- Number of nights spent and nights/population ratio in 2016 - Territorial level: NUTS 2 - Sources: Eurostat - European Commission 2016, EuroGeographics 2013. Harmonization: Lepur - ULiège

- Pollution by particles with a diameter of less than 10 micrometres (PM10): annual mean values for 2023 in µg/m3 (micrograms per cubic metre) for each station - Data sources: ATMO Grand Est, Agence Wallonne de l'Air et du Climat - AWAC, Landesamt für Umwelt- und Arbeitsschutz Saarland - IMMESA, Landesamt für Umwelt Rheinland-Pfalz - ZIMEN, Administration de l'environnement Luxembourg. Harmonization: ATMO Grand Est and GIS-GR 2024

- Ozone pollution (PM2.5): number of days on which a sliding 8-hour average exceeded 120 µg/m3 (micrograms per cubic metre). Average 2021-22-23 for each station - Data sources: ATMO Grand Est, Agence Wallonne de l'Air et du Climat - AWAC, Landesamt für Umwelt- und Arbeitsschutz Saarland - IMMESA, Landesamt für Umwelt Rheinland-Pfalz - ZIMEN, Administration de l'environnement Luxembourg. Harmonization: ATMO Grand Est and GIS-GR 2024

Green stars restaurants of the Guide Michelin 2024 - Source: Guide Michelin 2024

Presence of the Orange-spotted emerald (Oxygastra curtisii) - Illustration as grid cells 10x10km - Data sources: MNHN Luxemburg, MNHN France, Ministerium für Umwelt und Verbraucherschutz Saarland, Landesamt für Umwelt (LfU) Rheinland-Pfalz, SPW/ARNE/DEMNA, Natagora and collaborators

Presence of the Common midwife toad (Alytes obstetricans) - Illustration as grid cells 10x10km - Data sources: MNHN Luxemburg, MNHN France, Ministerium für Umwelt und Verbraucherschutz Saarland, Landesamt für Umwelt (LfU) Rheinland-Pfalz, SPW/ARNE/DEMNA, Natagora and collaborators