In 2025, Lonza Group 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).
Lonza Group 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 | 317,000a | 343,000a | 321,000b | |
Total Scope 2 | ||||
Market-Based | 93,000a | 141,000a | 202,000b | |
Location-Based | 207,000a | 222,000a | 228,000b | |
Total Scope 3 | 2,303,000a | 1,877,000a | 1,936,000b | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 38.4549a | 56.679a | 40.2056b |
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In 2025, the total operational greenhouse gas (GHG) emissions of Lonza Group amounted to 524,000 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 Lonza Group decreased by 7.26%, 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 Lonza Group were 317,000 metric tons of CO₂ equivalent (tCO₂e).a
Since 2020, Lonza Group's Scope 1 emissions have decreased by 2.16%, reflecting a declining long-term trend in Scope 1 emissions over time.ac
Compared to the previous year (2024), Lonza Group's Scope 1 emissions decreased by 7.58%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, Lonza Group reported Scope 2 greenhouse gas (GHG) emissions of 93,000 tCO₂e using the market-based method and 207,000 tCO₂e using the location-based method.a
Since 2020, Lonza Group's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have remained relatively stable, indicating that Lonza Group's emissions have plateaued with no significant change in its energy consumption footprint.ac
Compared to the previous year (2024), Lonza Group's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that Lonza Group's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, Lonza Group reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, Lonza Group reported 2,303,000 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 Lonza Group includes a breakdown across 11 of the 15 Scope 3 categories defined by the GHG Protocol, matching the level of disclosure in 2024, demonstrating consistent Scope 3 emissions reporting coverage year over year.a
In 2025, Lonza Group reported total Scope 3 emissions of 2,303,000 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 94.61% of these emissions originated from upstream activities such as purchased goods and capital goods, while 5.39% came from downstream activities like product use, distribution, and end-of-life treatment.a
Compared to the previous year (2024), Lonza Group's Scope 3 emissions increased by 22.7%, suggesting that the company faced challenges in reducing emissions across its value chain.a
In 2025, Lonza Group 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 Lonza Group's Scope 3 emissions were:a
In 2025, Lonza Group reported Scope 1 greenhouse gas (GHG) emissions of 317,000 tCO₂e and total revenues of USD 8,243 millions. This translates into an emissions intensity of 38.45 tCO₂e per millions USD.a
In 2025, Lonza Group reported a Scope 1 emissions intensity of 38.45 tCO₂e per millions USD. Compared to the peer group median of 4.56, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a
In 2025, Lonza Group ranked 25 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
This places Lonza Group among the least efficient performers, with one of the highest emissions intensities in its sector.a
In 2025, Lonza Group reported a total carbon footprint of 2,827,000 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 15.77% increase compared to 2024, suggesting a rise in emissions across its operations or value chain.a
The largest contributor to Lonza Group's total carbon footprint was Scope 3 emissions, accounting for 81.46% of the company's total carbon footprint, followed by Scope 1 emissions at 11.21%.a