Uncommon RealityIn The Absence Of A Common One
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S138 — The NOAA Ozone Depleting Gas Index: Guiding Recovery of the Ozone Layer

NOAA Global Monitoring Laboratory (2024)

Open original source — gml.noaa.gov

Official atmospheric monitoring index Environmental outcome monitoring

Curated public use: Use for the atmospheric halogen pressure trajectory; do not present the index as an ozone-recovery percentage.

Limitation: Source cards are evidence anchors, not proof that a linked claim is settled.

Source note: Reports the 2024 reactive-halogen trajectory toward the 1980 benchmark; the index is not a percentage measure of ozone-layer recovery.

Pinpoint locator: Not yet recorded in the current source schema.

Used by public records