Changi Airport Group (CAG), headquartered in Singapore (SG), is a leading player in the global aviation industry, renowned for its exceptional airport management and operations. Founded in 2001, CAG oversees the operations of Changi Airport, which has consistently been recognised as one of the world's best airports, winning numerous awards for its customer service and innovative facilities.
CAG's core business areas include airport management, commercial development, and the provision of ground handling services. The airport is distinguished by its unique offerings, such as the Jewel Changi Airport, which combines retail, dining, and entertainment in a stunning architectural setting. With a strategic focus on enhancing passenger experience, Changi Airport maintains a strong market position, serving millions of travellers annually and connecting Singapore to over 380 cities worldwide.
+28 vs industry average
Changi Airport’s score of 45 is higher than 75% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Industry Intensity
Air Transport is among the most carbon-intensive industries
Industry performance
The Air Transport industry has reduced its overall emissions by 32% since 2019
Emissions trajectory 2020 – 2028
Reported emissions
Scope 3 accounts for ••• of total emissions.
Changi Airport's reported carbon emissions
In 2025, Changi Airport reported total carbon emissions of approximately 1.34 billion kg CO2e, comprising 2.8 million kg CO2e from Scope 1, 160.4 million kg CO2e from Scope 2, and about 1.18 billion kg CO2e from Scope 3 emissions. This marks a significant increase from the previous year's total of approximately 1.21 billion kg CO2e in 2024, where emissions were evenly distributed across all scopes. Changi Airport is committed to achieving net-zero emissions across all scopes by 2030, aligning with global climate initiatives. The airport's climate strategy includes a long-term target to reduce CO2 emissions by 60% compared to 1990 levels by 2030. These commitments reflect a proactive approach to sustainability and climate responsibility, aiming to mitigate the impacts of climate change while enhancing operational efficiency. The emissions data is sourced directly from Changi Airport Group (Singapore) Pte. Ltd., with no cascaded data from parent organizations. The airport continues to monitor and report its emissions transparently, contributing to the broader industry efforts in reducing carbon footprints.
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Changi Airport’s Climate Goals (2030 & 2050)
3 goals2030
60% reduction in all scopes
The Netherlands must reduce CO2 emissions by 60% (compared to those in 1990) by the end of 2030.
2030
62% reduction in total GHG
Vs 2019 baseline. Validated by SBTi. Includes full supply chain.
2040
50% reduction in Scope 3 intensity
Across purchased goods and services and logistics.
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Scope 3 top emissions categories
No scope 3 category breakdown has been disclosed yet.
Climate initiatives
Science Based Targets Initiative
Carbon Disclosure Project
The Climate Pledge
UN Global Compact Climate Champions initiative
RE 100
Climate Action 100
Emissions comparison with industry peers
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Changi Airport
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