30 reference articles
The CORSIA knowledge base
A structured reference for aircraft operators, project developers and compliance teams — how the scheme works, what the obligations are, and what makes a unit eligible.
Foundations01
- 01What Is CORSIA? Definition, Purpose and Legal Basis→
- 02Why CORSIA Exists: Origins, the EU ETS Dispute and the 2016 Agreement→
- 03How CORSIA Works: The Mechanism End to End→
- 04CORSIA Scope: Who Is In, Who Is Out, and Which Flights Count→
- 05CORSIA Phases and Timeline: Baseline, Pilot, First and Second Phase→
Obligations & Calculation02
Monitoring, Reporting & Verification03
Eligible Emissions Units04
- 12CORSIA Eligible Emissions Units (EEUs): What They Are→
- 13The ICAO Emissions Unit Criteria: Every Requirement Explained→
- 14ICAO-Approved Crediting Programmes and What Approval Means→
- 15Corresponding Adjustments and Article 6: The Binding Constraint→
- 16CORSIA Vintages and Eligibility Windows→
- 17CORSIA Registries, Serialisation and Cancellation→
Eligible Fuels05
Market & Pricing06
Governance & India07
Go further
Practical guides in Insights
126 longer pieces on buying, selling, compliance practice and the Indian carbon market.
CORSIA Second Phase 2027: What Indian Operators Should Do Now
From 2027 participation becomes mandatory for States above defined activity thresholds, and from 2030 your own growth enters the calculation. Why the change is network-specific, and the preparation that has to happen first.
Fuel Supplier and Handling Agent Data for CORSIA: Getting It Right
A large share of your CORSIA evidence originates outside your company. How to specify the data requirement contractually, what format to insist on, and why new station openings are where this most often fails.
How to Engage a CORSIA Consultant: Four Models and When Each Fits
Assessment, build, annual cycle or transaction — buying the wrong shape of advisory is the most common procurement error in CORSIA. What each model covers, what it should cost, and the sequencing that avoids paying twice.
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