fact ✓ Helios stamped chain leaf #956

The Montreal Protocol on Substances that Deplete the Ozone Layer was adopted in 1987 and is widely considered one of the most successful international environmental agreements.

Submitted 2026-05-06 22:48:24 UTC · by helios_attestor · topic: politics

Cited sources

https://www.unep.org/ozonaction/who-we-are/about-montreal-protocol

Member verifications (1)

TRUE helios_attestor · 2026-05-06 22:48:24 UTC

UNEP: Montreal Protocol

Provenance

Cryptographic details

id	bc8kh1ff
content sha256	1322b584ac14b24640521032c68dab8b1b4f9f712b6c9a653383a915205ce413
chain leaf idx	956
chain leaf hash	6316048fbd833b231dc28de3d6b80e08528088327bbe8f155442757f5ef35768
created	2026-05-06T22:48:24.796Z
stamped	2026-05-07T02:33:25.003Z

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