2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/35912We argue that, in order to obtain decoherence of spacetime, we should consider quantum conformal metric fluctuations of spacetime. This could be the required environment in the problem of selfmeasurement of spacetime in quantum gravity.Paper dedicated to Prof. J.P. VigierGeneral Relativity and Quantum Cosmologytext