In 2025, Amgen 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).
Amgen has also provided a category-level breakdown for 11 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 | 141,000a | 147,000b | 153,000b | |
Total Scope 2 | ||||
Market-Based | 14,000a | 14,000b | 12,000b | |
Location-Based | 133,000a | 128,000b | 118,000b | |
Total Scope 3 | 1,698,000a | 1,705,000b | 1,384,000b | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 3.8366a | 4.398b | 5.4275b |
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In 2025, the total operational greenhouse gas (GHG) emissions of Amgen amounted to 274,000 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 Amgen decreased by 0.36%, showing that the company has made progress in taking action to reduce the climate impact of its operations.ab
In 2025, the total Scope 1 emissions of Amgen were 141,000 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Amgen's Scope 1 emissions have increased by 3.71%, reflecting a rising long-term trend in Scope 1 emissions over time.ac
Compared to the previous year (2024), Amgen's Scope 1 emissions decreased by 4.08%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.ab
In 2025, Amgen reported Scope 2 greenhouse gas (GHG) emissions of 14,000 tCO₂e using the market-based method and 133,000 tCO₂e using the location-based method.a
Since 2019, Amgen's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have decreased by 23.53%, reflecting a declining long-term trend in Scope 2 emissions over time.ac
Compared to the previous year (2024), Amgen's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that Amgen's emissions have plateaued with no significant change in its energy consumption footprint.ab
In 2025, Amgen reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, Amgen reported 1,698,000 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 Amgen includes a breakdown across 11 of the 15 Scope 3 categories defined by the GHG Protocol, up from 9 in 2024, reflecting improved emissions accounting practices and greater transparency across the company's value chaina
In 2025, Amgen reported total Scope 3 emissions of 1,698,000 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 98.41% of these emissions originated from upstream activities such as purchased goods and capital goods, while 1.59% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, Amgen's Scope 3 emissions have decreased by 38.77%, reflecting a declining long-term trend in Scope 3 emissions over time.ab
Compared to the previous year (2024), Amgen's Scope 3 emissions remained relatively stable, indicating that Amgen's emissions have plateaued with no significant change in its value chain footprint.ab
In 2025, Amgen reported emissions for 11 out of the 15 Scope 3 categories defined by the GHG Protocol.a
This reflects a high level of granularity and transparency in the company's emissions reporting.
In 2025, the largest contributors to Amgen's Scope 3 emissions were:a
In 2025, Amgen reported Scope 1 greenhouse gas (GHG) emissions of 141,000 tCO₂e and total revenues of USD 36,751 millions. This translates into an emissions intensity of 3.84 tCO₂e per millions USD.a
In 2025, Amgen reported a Scope 1 emissions intensity of 3.84 tCO₂e per millions USD. Compared to the peer group median of 5.15, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2025, Amgen ranked 9 out of 25 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Amgen is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2025, Amgen reported a total carbon footprint of 1,972,000 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 0.4% decrease compared to 2024, indicating progress in reducing its overall greenhouse gas output.ab
The largest contributor to Amgen's total carbon footprint was Scope 3 emissions, accounting for 86.11% of the company's total carbon footprint, followed by Scope 1 emissions at 7.15%.a