Vital Spaces of the Central Agglomeration confronts the quest for Luxembourg City’s green belt with a radical proposition: not as a boundary, but as a negotiable membrane—an elastic threshold where urban intensity and ecological vitality collide, overlap, and coalesce.

 This project rejects the coercion of traditional zoning orthodoxy in favour of a high-performance bioregion engineered around five interconnected domains: ecosystemic support, cool, calm, food, and: fun !

 Here, ecosystemic support is not simply habitat preservation—it’s a systemic recalibration where biodiversity operates as infrastructure, driving a regenerative metabolism for the city. 

Cool weaponizes microclimates and hydrological systems to deflect the urban heat island effect, turning the belt into an atmospheric machine. 

Calm is the antidote to acceleration—an architecture of slowness where leisure, contemplation, and pause become urban strategies.

With food, the green belt mutates into an agrarian interface, blurring the lines between consumption, production, and spectacle. 

Fun subverts the bucolic trope, injecting a charged terrain of play, culture, and unexpected encounters.

 This is not a “green belt” in the sense of nostalgic preservation—it is an active device, a shifting gradient between city and nature, designed to provoke, adapt, and evolve. Luxembourg’s edge is no longer a line; it’s an ecosystem of contradictions and cooperation, a space where the future of the metropolis is perpetually renegotiated.

A territorial strategy for the Ministry of Spatial Planning Luxembourg

in collaboration with 51N4E(be), LOLA (nl), KOMOBILE (lu/au) KONIG(lu), WEICHOLD (lu), BACH(ch)