In 2024, Eisai 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).
Eisai 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) | 2024 | 2023 | 2022 | 2021-2019 |
|---|---|---|---|---|
Total Scope 1 | 45,666a | 48,586a | 47,507a | |
Total Scope 2 | ||||
Market-Based | 3,921a | 2,673a | 6,105a | |
Location-Based | N/A | N/A | N/A | |
Total Scope 3 | 825,382a | 563,928a | 674,814b | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 9.3234a | 8.6938a | 7.6655a |
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In 2024, the total operational greenhouse gas (GHG) emissions of Eisai amounted to 49,587 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 2023, the total operational greenhouse gas (GHG) emissions of Eisai decreased by 3.26%, showing that the company has made progress in taking action to reduce the climate impact of its operations.a
In 2024, the total Scope 1 emissions of Eisai were 45,666 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Eisai's Scope 1 emissions have decreased by 7.67%, reflecting a declining long-term trend in Scope 1 emissions over time.ac
Compared to the previous year (2023), Eisai's Scope 1 emissions decreased by 6.01%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2024, Eisai reported Scope 2 greenhouse gas (GHG) emissions of 3,921 tCO₂e using the market-based method.a
Since 2019, Eisai's Scope 2 greenhouse gas (GHG) emissions (Market-Based) have decreased by 92.98%, reflecting a declining long-term trend in Scope 2 emissions over time.ac
Compared to the previous year (2023), Eisai's Scope 2 emissions (Market-Based) rose by 46.69% in 2024, suggesting that the company faced challenges in reducing emissions from purchased electricity and energya
In 2024, Eisai reported its Scope 2 emissions using the market-based method.a
In 2024, Eisai reported 825,382 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 2024 disclosure of Eisai includes a breakdown across 1 of the 15 Scope 3 categories defined by the GHG Protocol, matching the level of disclosure in 2023, demonstrating consistent Scope 3 emissions reporting coverage year over year.a
In 2024, Eisai reported total Scope 3 emissions of 825,382 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 100% of these emissions originated from upstream activities such as purchased goods and capital goods, while 0% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, Eisai's Scope 3 emissions have increased by 80.85%, reflecting a rising long-term trend in Scope 3 emissions over time.ac
Compared to the previous year (2023), Eisai's Scope 3 emissions increased by 46.36%, suggesting that the company faced challenges in reducing emissions across its value chain.a
In 2024, Eisai reported emissions for 1 out of the 15 Scope 3 categories defined by the GHG Protocol.a
The limited disclosure restricts visibility into specific emission sources across the company's value chain.
In 2024, the largest contributors to Eisai's Scope 3 emissions were:a
In 2024, Eisai reported Scope 1 greenhouse gas (GHG) emissions of 45,666 tCO₂e and total revenues of USD 4,898 millions. This translates into an emissions intensity of 9.32 tCO₂e per millions USD.a
In 2024, Eisai reported a Scope 1 emissions intensity of 9.32 tCO₂e per millions USD. Compared to the peer group median of 13.13, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2024, Eisai ranked 9 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Eisai is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2024, Eisai reported a total carbon footprint of 874,969 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 42.23% increase compared to 2023, suggesting a rise in emissions across its operations or value chain.a
The largest contributor to Eisai's total carbon footprint was Scope 3 emissions, accounting for 94.33% of the company's total carbon footprint, followed by Scope 1 emissions at 5.22%.a