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Astellas Code of Conduct states that, “we strive to minimize our environmental impact and address global challenges, such as climate change and resource recycling, by conducting business sustainably.” For Astellas to continue to grow sustainably, we need to be conscious of the issues affecting our local environment and ensure that factors such as energy efficiency, climate change, environmental pollution and waste disposal are central to our corporate activities. We will continue to improve and contribute to establishing a sustainable society while sensitively monitoring changes in business and social environments.
Astellas is committed to information transparency regarding our company responses to factors relating to the environment. We proactively share details of our energy consumption, measures to combat climate change, effective use of resources, and prevention of environmental pollution. In addition, Astellas supports the recommendations of the Task Force on Climate-related Financial Disclosures (TCFD) and discloses information based on these recommendations.
The performance indicators denoted by this symbol check_box on the ESG data page have been assured independently by a third party
Quantitative EHS performance data has been rounded to the figures presented. As a result, the data may not align with total amounts or ratios calculated using these figures.
We are committed to protecting life and the natural world in all its glory. Astellas has embraced the sustainable enhancement of enterprise value as its corporate mission. To fulfill this mission, Astellas seeks to be a chosen and trusted enterprise by all stakeholders, including patients, shareholders, employees, and the global community. In the environment and occupational health and safety pages, Astellas will disclose information on its measures to sustainably enhance enterprise value through EHS.
Astellas considers contributing to the sustainability of society through its business activities to be a key management priority. In addressing climate change, we are advancing initiatives aligned with the goals of the Paris Agreement. In 2023, we established a target to reduce greenhouse gas (GHG) emissions from Scope 1 and Scope 2 by 2030 and announced our ambition to achieve net-zero emissions by 2050.
In FY2025, we made steady progress toward these goals. This included the installation and expansion of on-site solar power generation at our Dublin and Shenyang plants, as well as the commencement of off-site renewable electricity procurement through corporate power purchase agreements (PPAs) at our Yaizu and Toyama facilities. As a result of these efforts, reductions in Scope 1 and Scope 2 emissions are progressing in line with our 2030 target trajectory.
At the same time, we recognize that reducing Scope 3 emissions across our value chain remains a significant challenge. In FY2025, we advanced initiatives to incorporate emissions data directly provided by our business partners (primary data) into our Scope 3 emissions calculations. In parallel, we joined the Energize program, a global initiative aimed at accelerating the adoption of renewable energy among suppliers and other business partners.
With respect to biodiversity, in FY2025, our biotope conservation plan at the Yaizu site and our green space conservation plan at the Tsukuba site were certified as “Other Effective Area-based Conservation Measures” (OECMs) under Japan’s Act on Promotion of Regional Biodiversity. These initiatives are aligned with the “Kunming–Montreal Global Biodiversity Framework,” adopted at COP15, including its 30by30 target to conserve 30% of the world’s land and sea areas by 2030.
In addition, beginning this year, we have transitioned from publishing a standalone EHS Report in PDF format to issuing an integrated ESG Report that provides a more comprehensive overview of our sustainability initiatives and performance. Astellas will continue to enhance the transparency, consistency, and credibility of its sustainability disclosures, while responding to evolving international standards and stakeholder expectations.
As outlined below, Astellas' business activities impact the environment across all areas in which it operates, including research, manufacturing, sales, and product distribution.
Direct interaction
| INPUT | OUTPUT | ||
|---|---|---|---|
| Energy*1 | GHGs*1 | ||
Purchased electricity | 190,088 MWh Renewable derived 113,024 MWh | Scope 1*4 | 43,743 t-CO2 |
| Scope 2 | 37,171 t-CO2 | ||
| Pollutants (atmosphere)*5 | |||
Gaseous fuel | 191,295 MWh | NOx | 14 tons |
| VOC | 21 tons | ||
| Liquid fuel | 44,388 MWh | Water discharge, pollutants (water body) | |
| Purchased heat | 8,525 MWh | Water discharge*2 | 6,011 thousand m3 |
| Other renewable energy | 16,019 MWh | BOD*5 | 6 tons |
| Resource | COD*5 | 18 tons | |
| Water*2 | 6,327 thousand m3 | Waste material | |
Raw materials and consumables (by weight)*3 | 4,253 tons | Volume of waste generated*6 | 11,299 tons |
| Landfill volume*7 | 75 tons | ||
1 All Astellas business facilities
2 All manufacturing sites and R&D sites. (The volume of water discharge from n R&D sites outside of Japan and US commercial manufacturing sites were equivalent to that of withdrawal.)
3 Items used at commercial manufacturing sites in Japan that can be ascertained on a weight or volume basis. Consumable supplies are those used in commercial production process.
4 Non-energy-related GHG emissions are not included. The CO2 equivalent of fluorinated gases from manufacturing sites (global) and R&D sites (Japan) was 518 tons- CO2.
5 Japanese manufacturing sites and R&D sites
6 All Japanese facilities, and all manufacturing and R&D sites outside of Japan
7 Japanese manufacturing sites, R&D sites and logistic sites
Indirect GHGs (Scope 3)
(Unit:t-CO2e)
| Upstream Scope 3 emissions | Downstream Scope 3 emissions | ||
|---|---|---|---|
| 1. Purchased goods and services | 957,768 | 9. Transportation and distribution (downstream) | 15,928 |
| 2. Capital goods | 81,671 | 10. Processing of sold products | out of disclosure scope |
| 3. Fuel and energy related activities (not included in Scope 1 and Scope 2) | 23,634 | 11. Use of sold products | out of disclosure scope |
| 4. Transportation and distribution (upstream) | 12,571 | 12. End-of-life treatment of sold products | 210 |
| 5. Waste generated in operation | 777 | 13. Downstream leased assets | 1,660 |
| 6. Business travel (by airplane) | 27,750 | 14. Franchises | out of disclosure scope |
| 7. Employee commuting | 1,888 | 15. Investments | out of disclosure scope |
| 8. Upstream leased assets | out of disclosure scope | ||
GHG Emissions Throughout the Value Chain
GHG emissions associated with Astellas’ business activities amounted to 1,205 kilotons globally.
The PDF version of the EHS report has been revamped as the ESG Report starting in 2026. Please refer to the ESG Report webpage.
The environmental and occupational health & safety topics before fiscal 2023 were issued as Environmental Report below:
EHS Report Archive
Environmental Report Archive
CSR Report Archive