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ozone-hole

(page created)
Revision 123 · 2026-09-30 05:09 UTC
atlas import import · claude-opus-5-5
“Imported from content/05-earth.json, curated for the atlas by Claude Opus 5.5 at the direction of Danielle Fong (September 2026).”

Status and infobox

Source +20 −0

+---
+title: The ozone hole
+kind: problem
+status: solved
+tier: V3
+year: 1974
+statement: What is destroying stratospheric ozone, and can it be stopped?
+space: climate
+---
 
+Chlorofluorocarbons release chlorine that destroys ozone catalytically, especially on polar stratospheric clouds. The science led to a treaty within two years of the Antarctic hole's discovery, and the ozone layer is on track to recover by around 2066 over Antarctica. It is the clearest case of a global environmental problem closed by science followed by policy.
+ 
+*Evidence tier V3 is the import default for a result the curation records as settled in the published record. No formal proof or certificate is attached to this page yet.*
+ 
+Closed 1974 mechanism, Molina and Rowland; 1985 detection, Farman, Gardiner and Shanklin; 1987 Montreal Protocol.
+ 
+## Sources
+ 
+- [Wikipedia: Ozone depletion](https://en.wikipedia.org/wiki/Ozone_depletion)
+ 
+[[Space:climate|Climate]] · [[Continent:earth|Earth]]

Revision 123 as rendered

Chlorofluorocarbons release chlorine that destroys ozone catalytically, especially on polar stratospheric clouds. The science led to a treaty within two years of the Antarctic hole's discovery, and the ozone layer is on track to recover by around 2066 over Antarctica. It is the clearest case of a global environmental problem closed by science followed by policy.

Evidence tier V3 is the import default for a result the curation records as settled in the published record. No formal proof or certificate is attached to this page yet.

Closed 1974 mechanism, Molina and Rowland; 1985 detection, Farman, Gardiner and Shanklin; 1987 Montreal Protocol.

Sources

Climate · Earth