https://web.archive.org/web/20230709085606/https://kolektiva.social/@ophiocephalic/110680030293653277

Good description of ZAD, zone a defense, not as gatekeeping (keeping others out that would also enjoy what's inside) but as defending a zone (keeping others out to prevent the zone's destruction). ZAD I encountered in Nantes in the area where an airport was planned.