The treaty that saved the sky.
In 1987, nations agreed to phase out the gases destroying Earth's ozone layer. Today 197 parties — including Seychelles, which ratified in 1993 — uphold the Montreal Protocol. The ozone layer is measurably healing; Antarctic spring ozone levels are recovering on schedule.
Source: UNEP Ozone Secretariat · Seychelles country profile (REFERENCES.md §1.1, §1.4)
From Vienna in 1985 to a workshop on Praslin this Tuesday.
- Chapter 01
What the ozone layer is
A thin shield of O₃ molecules, fifteen kilometres above us, that filters the Sun’s hardest light.
4 min read - Chapter 02
The hole, and what caused it
How a generation of refrigerants, propellants and solvents punctured the stratosphere.
6 min read - Chapter 03
Today: the layer is healing
Universal ratification, falling concentrations, and Antarctic springs that are slowly closing.
5 min read - Chapter 04
Kigali — from a treaty to our reefs
Why phasing down HFCs is climate policy too — and Seychelles’ step on R-410A.
7 min read
What we’re working on now.
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Seychelles prepares for the 2026 phase-down of R-410A
Importers, contractors, and large end-users should plan for tighter R-410A quotas this year and prepare to migrate to lower-GWP alternatives.
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Seychelles HFC phase-down on track for 2026 baseline
Annual reporting confirms Seychelles is meeting its Kigali Amendment baseline targets for hydrofluorocarbons.
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RAC technician certification programme — 2026 cohort opens
Applications open for the 2026 cohort of the certified refrigeration and air conditioning technician programme.
Forms, reports, and the rules they live under.
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