The aviation sector is under increasing pressure to demonstrate climate leadership and reduce its environmental footprint. Airport Carbon Accreditation (ACA), developed by Airports Council International (ACI), is the only globally recognized carbon management certification dedicated exclusively to airports
The aviation sector is under increasing pressure to demonstrate climate leadership and reduce its environmental footprint. Airport Carbon Accreditation (ACA), developed by Airports Council International (ACI), is the only globally recognized carbon management certification dedicated exclusively to airports.
We provide comprehensive consultancy support to airports aiming to obtain or advance their ACA certification—offering robust carbon footprint assessments, decarbonization strategies, stakeholder engagement, and full application support across all six ACA levels.
The Airport Carbon Accreditation (ACA) program helps airports systematically reduce greenhouse gas (GHG) emissions and align their operations with global climate targets, such as the Paris Agreement and Net Zero 2050 goals.
It offers a globally standardized framework to measure, manage, and mitigate airport emissions, including those from airport-controlled operations (Scope 1 and 2) and those influenced through third-party activities (Scope 3).
Level 1 – Mapping
Establish and verify Scope 1 & 2 emissions baseline.
Level 2 – Reduction
Implement reduction strategies and demonstrate yearly emissions cuts.
Level 3 – Optimisation
Engage stakeholders to manage Scope 3 emissions (e.g., airlines, tenants).
Level 3+ – Neutrality
Achieve carbon neutrality by offsetting residual Scope 1 & 2 emissions.
Level 4 – Transformation
Integrate climate risk, set science-based targets aligned with the Paris Agreement.
Level 4+ – Transition
Develop a net-zero roadmap with full Scope 3 transparency and long-term action.
1. Carbon Footprint Assessment (Scopes 1, 2 & 3)
We perform a detailed emissions audit using global standards to establish your airport’s GHG baseline.
2. Readiness & Gap Analysis
We evaluate existing carbon practices and identify gaps against ACA criteria to guide your next steps.
3. Carbon Management Plan (CMP)
We develop actionable CMPs with reduction strategies, timelines, and monitoring protocols.
4. Stakeholder Engagement (Scope 3)
We design engagement frameworks involving airlines, tenants, ground handlers, and fuel providers.
5. Offsetting & Carbon Neutrality
We help procure high-quality carbon offsets compliant with ACA and CORSIA for Levels 3+ and beyond.
6. Climate Risk & Net Zero Pathway
We align your operations with Level 4/4+ requirements through climate risk analysis and decarbonization planning.
7. Application & Verification Support
We handle documentation, liaise with verifiers, and ensure smooth submission to ACI.
Global Recognition – Positions your airport as a leader in climate action and sustainability.
Regulatory Alignment – Supports compliance with ICAO, UNFCCC, and SDG frameworks.
Operational Efficiency – Unlocks cost savings through energy and emissions optimization.
Enhanced Credibility – Builds trust with airlines, passengers, investors, and regulators.
Strategic Advantage – Strengthens your market position among eco-conscious stakeholders.
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