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policy instrument · 1 January 2024
Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA)
Jurisdiction countryInternational
Instrument typecompliance-inclusion
Authoritygovernment
Scopecarbon removal and point-source capture
Statusin-force
DetailICAO's global market-based measure requiring airlines of participating states to offset international aviation CO2 growth above baseline; the first phase (2024-2026, voluntary state participation) is underway. Eight programmes are ICAO Council-approved to supply CORSIA Eligible Emissions Units for 2024-2026: American Carbon Registry, ART (TREES), Climate Action Reserve, Global Carbon Council, Gold
Confidencemedium
Unverified noteScope 'cdr-and-ccs' is a best-fit: CORSIA eligible units span reductions and removals, wider than either code. ISO-2 'CA' is a filing convention only (ICAO HQ). Actual market availability of eligible units (with Letters of Authorization/corresponding adjustments) remains constrained — extent as of Aug 2026 not quantified here. Exact ICAO Council decision dates behind the 2025-11-26 announcement no
Merged duplicates[object Object]
Pathway scopeall-cdr
Pathway noteIsometric's approval opens a compliance channel for durable removals broadly, without singling out specific pathways
Stated jurisdictionINTL
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