1985 AD–1988 AD
Vienna Convention for the Protection of the Ozone Layer
Climate & environment · Ozono estratosférico · Derecho ambiental · Monitoreo · Cooperación internacional
Governments adopted the Vienna Convention in 1985; it entered into force in 1988 as a framework for research, systematic observation, information exchange, and cooperation on ozone depletion. It did not yet set the production and consumption controls later established by the Montreal Protocol, so the framework agreement should be distinguished from subsequent measures.
Precision, calendar, and review
- Start
- year · no uncertainty qualifier in this record
- End
- year · no uncertainty qualifier in this record
- Calendar and convention
- Historical-era years; the source calendar is not identified. No conversion of days is assumed.
- Year zero
- The scale goes from 1 BCE to 1 CE without year zero. Changing era names changes labels only.
- Documentary review
- Date not recorded
Reading the date: duration of a process.
Sources
- ozone.unep.org (opens in a new tab)
Source provenance and scope
- Publication date
- Not identified in metadata; document review pending
- Bibliographic date checked
- 2026-09-23
The correspondence between this reference and individual claims has not yet been itemized.
This record is an editorial synthesis. Consult the sources to check claims and their limits. Chronological relationships alone do not establish causation.