Where airport growth meets climate policy
The same climate pledge can sit beside very different infrastructure choices. The map codes how strongly climate or environmental policy constrains the capacity decision itself, not how green the airport says its buildings are.
This selected, mixed sample illustrates contrasting decisions; it cannot rank how restrictive whole regions are. Categories include wider environmental constraints such as Schiphol’s noise limits, not carbon alone.
Similar climate targets, different constraints on expansion
Select a project for the reviewed evidence. Europe is dense enough to merit its own view.
Select a marker, table row or card to inspect a project.
Explore all 30 projects
Explore the underlying projects
Filters update both the map and the dataset. Coverage and decision constraints are shown separately in each project panel. International-aviation inclusion stays unknown where direct evidence has not established it.
| Project ↕ | Country ↕ | Type ↕ | Status ↕ | Constraint interpretation ↕ | Capacity / scale ↕ |
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Two questions, not a ladder
Emissions coverage and constraints on approval are separate dimensions. Neither is equivalent to Scopes 1, 2 and 3.
Whose emissions?
Check the target's boundary: airport operations, aircraft emissions, and the treatment of international aviation. A national net-zero pledge alone does not establish flight coverage.
What can limit expansion?
Distinguish an aspiration, a planning consideration and a binding requirement capable of limiting capacity. Our marker categories interpret the evidence about this question; they are not official legal ratings.
How this relates to Scopes 1, 2 and 3
Scopes describe emissions relative to an organisation: direct emissions (1), purchased energy (2), and other indirect value-chain emissions (3). An airline's fuel burn is its Scope 1; aircraft emissions can be an airport operator's Scope 3. Do not add those overlapping inventories. A national carbon budget is a different accounting and legal framework, not a corporate scope.
Airport operational net zero often covers the operator's Scopes 1 and 2. Check wider promises separately: coverage does not itself establish a restriction on expansion.
GHG Protocol Corporate Standard, chapters 3–4 · Airport Carbon Accreditation boundaries