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"field": "lesson", "text": "a quarter less nitrogen dioxide on the health agency's own numbers — and the same agency reported that nobody counted the cars or the air on the streets the traffic was pushed onto", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-d2de93fc6662cbfc" ], "supportNote": "The 25% NO2 figure and the absence of any count outside the superblocks both come from the same ASPB report as relayed by Cities Today.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } }, { "id": "clm-9951e68ce83b09c9", "field": "lesson", "text": "Of the three superblocks assessed, one showed no significant change and one could not be measured at all", "statementKind": "descriptive", "textMode": "verbatim-from-project-record", "mappingStatus": "mapped", "sourceRefs": [ "src-d2de93fc6662cbfc" ], "supportNote": "Cities Today reports no significant changes in Horta and that data could not be collected on Poblenou.", "caveat": null, "interpretation": { "added": false, "interpolation": false, "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion." } } ], "sources": [ { "id": "src-ac9b2e90f3480d45", "title": "Ajuntament de Barcelona (authority)", "url": "https://ajuntament.barcelona.cat/superilles/en/", "publisher": { "name": null, "domain": "ajuntament.barcelona.cat", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "background", "claimRefs": [], "temporal": { "publishedAt": null, "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-07-16", "dossierCreatedAt": "2026-08-27", "retrievedAt": null, "status": "record-date-only" }, "locator": { "type": "descriptive-source-note", "value": "Official superblocks programme page; carries no 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in 2017, an average 17% reduction in traffic from street-calming measures, and the works updating benches, seats, traffic lights, streetlights, water springs and garden tubs.", "exact": false }, "preservation": { "archiveUrl": null, "archivedAt": null, "contentHash": null, "status": "not-captured" } }, { "id": "src-d2de93fc6662cbfc", "title": "Cities Today (trade)", "url": "https://cities-today.com/barcelona-superblock-sees-25-percent-drop-in-pollution/", "publisher": { "name": null, "domain": "cities-today.com", "classification": "not-classified" }, "sourceType": "web-page", "language": "und", "role": "claim-evidence", "claimRefs": [ "clm-9135f1119be96e10", "clm-d256a1b873abb6dc", "clm-4e758649d0afc00d", "clm-7104288688a33e35", "clm-d0db4adb45857652", "clm-9951e68ce83b09c9" ], "temporal": { "publishedAt": "2021-10-18", "updatedAt": null, "sourceCheckedAt": null, "recordLastVerifiedAt": "2026-07-16", "dossierCreatedAt": "2026-08-27", "retrievedAt": null, "status": 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