In 2025, Flughafen Zuerich completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).
Flughafen Zuerich has also provided a category-level breakdown for 9 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Scope 1 | 23,843a | 25,488a | 24,910a | |
Total Scope 2 | ||||
Unspecified Calculation Method | 1,235a | 1,187a | 1,286a | |
Total Scope 3 | 5,242,784a | 4,990,862a | 4,153,941a | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 13.8785a | 17.4008a | 16.9514a |
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In 2025, the total operational greenhouse gas (GHG) emissions of Flughafen Zuerich amounted to 25,078 metric tons of CO2 equivalent. This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2).a
Compared to 2024, the total operational greenhouse gas (GHG) emissions of Flughafen Zuerich decreased by 5.99%, showing that the company has made progress in taking action to reduce the climate impact of its operations.a
In 2025, the total Scope 1 emissions of Flughafen Zuerich were 23,843 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Flughafen Zuerich's Scope 1 emissions have decreased by 9.06%, reflecting a declining long-term trend in Scope 1 emissions over time.ab
Compared to the previous year (2024), Flughafen Zuerich's Scope 1 emissions decreased by 6.45%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, Flughafen Zuerich reported Scope 2 greenhouse gas (GHG) emissions of 1,235 tCO₂e without specifying the calculation method.a
Since 2019, Flughafen Zuerich's Scope 2 greenhouse gas (GHG) emissions (Unspecified Calculation Method) have decreased by 24.33%, reflecting a declining long-term trend in Scope 2 emissions over time.ab
Compared to the previous year (2024), Flughafen Zuerich's Scope 2 emissions (Unspecified Calculation Method) have remained relatively stable, indicating that Flughafen Zuerich's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, Flughafen Zuerich reported its Scope 2 emissions using an unspecified methodology.a
In 2025, Flughafen Zuerich reported 5,242,784 metric tons of CO₂ equivalent (tCO₂e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain.a
The 2025 disclosure of Flughafen Zuerich includes a breakdown across 9 of the 15 Scope 3 categories defined by the GHG Protocol, up from 0 in 2024, reflecting improved emissions accounting practices and greater transparency across the company's value chaina
In 2025, Flughafen Zuerich reported total Scope 3 emissions of 5,242,784 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 1.95% of these emissions originated from upstream activities such as purchased goods and capital goods, while 98.05% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, Flughafen Zuerich's Scope 3 emissions have increased by 16.07%, reflecting a rising long-term trend in Scope 3 emissions over time.ab
Compared to the previous year (2024), Flughafen Zuerich's Scope 3 emissions remained relatively stable, indicating that Flughafen Zuerich's emissions have plateaued with no significant change in its value chain footprint.a
In 2025, Flughafen Zuerich reported emissions for 9 out of the 15 Scope 3 categories defined by the GHG Protocol.a
This partial disclosure allows for some insight into the company's indirect impacts.
In 2025, the largest contributors to Flughafen Zuerich's Scope 3 emissions were:a
In 2025, Flughafen Zuerich reported Scope 1 greenhouse gas (GHG) emissions of 23,843 tCO₂e and total revenues of USD 1,718 millions. This translates into an emissions intensity of 13.88 tCO₂e per millions USD.a
In 2025, Flughafen Zuerich reported a Scope 1 emissions intensity of 13.88 tCO₂e per millions USD. Compared to the peer group median of 6.56, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a
In 2025, Flughafen Zuerich ranked 20 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
This places Flughafen Zuerich among the least efficient performers, with one of the highest emissions intensities in its sector.a
In 2025, Flughafen Zuerich reported a total carbon footprint of 5,267,862 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 4.99% increase compared to 2024, suggesting a rise in emissions across its operations or value chain.a
The largest contributor to Flughafen Zuerich's total carbon footprint was Scope 3 emissions, accounting for 99.52% of the company's total carbon footprint, followed by Scope 1 emissions at 0.45%.a