In March 2022, Tokyo Metro expressed its endorsement of the recommendations of the Task Force on Climate-related Financial Disclosures (TCFD) established by the Financial Stability Board (FSB).

In recent years, climate change has become a major driver of socio-economic risks as well as opportunities, and there has been a growing worldwide trend toward decarbonization among governments and businesses.
Tokyo Metro, whose main business base is the capital city of Tokyo, faces business risks from natural disasters and also consumes large amounts of electricity because of the nature of our main operations, the railway business. Given these characteristics, we have been strengthening our efforts to address climate change, with the themes of sustainability key challenges (materiality) being "Realizing a Safer and More Resilient Subway" and "Making Thoughtful Choices for a Healthy Planet."
After endorsing the TCFD recommendations, we have worked to identify climate-related risks and opportunities as well as more actively disclose information about the organizational structure we have put in place to work on them.

We aim to create a sustainable society that offers peace of mind by engaging in more active dialog with stakeholders utilizing information disclosure and promoting initiatives related to climate change.

At Tokyo Metro, we are taking a range of initiatives in order to promote company-wide environmental preservation activities, principally through actions regarding climate change and putting resources back into circulation. These include establishing an Environment Committee chaired by the Executive Officer in charge of the Sustainability Promotion Dept., and, under our Environmental management promotion structure, operating an environmental management system based on the PDCA cycle. Building on the Basic Environmental Policy, we verify and evaluate the progress of activities of each department, report and review the results, and continuously improve our environmental preservation activities to realize Materiality Theme 4 "Making Thoughtful Choices for a Healthy Planet." One way we do so is via the Sustainability Promotion Committee, chaired by the president. Regarding the establishment of environmental policies, long-term environmental goals, and climate-related non-financial indicators, it reviews, approves, and follows up on climate-related risks and opportunities, as well as submits and reports important matters to the Executive Committee and the Board of Directors.

We will contribute to the decarbonization of the transportation sector by taking advantage of the characteristics of the railway business, which emits less CO₂than other modes of transportation. In addition, anticipating the potential for more severe flood damage due to climate change, we are implementing “hard” measures such as the installation of flood barriers and watertight gates as well as "soft" measures such as the formulation of business continuity plans (BCP) and cooperation with related local governments.
Furthermore, we have created a long-term environmental goal, Metro CO₂Zero Challenge 2050. Through it, we aim to achieve a 50% reduction in CO₂emissions (compared to FY2013) in FY2030 and net zero in FY2050 across all of our Group operations. In March 2024, we calculated and announced our environmental advantages in the form of contribution to CO₂reduction, and introduced internal carbon pricing in April. These steps aim to accelerate the promotion of energy conservation and renewable energy, thereby deepening cooperation with various stakeholders and encouraging modal shift and the use of our lines. All of these contribute to the realization of a decarbonized society. In March 2022, Tokyo Metro expressed its endorsement of the TCFD recommendations, and discloses information in accordance with the recommendations framework.

Our analysis of the various scenarios for realizing a decarbonized society and the advance of global warming identifed twelve risks and five opportunities. Regarding the risks, the Sustainability Promotion Committee is currently working on follow-up on climate-related risks based on TCFD recommendations. We will continue to study the establishment of a management structure for climate-related risks, including coordination with company-wide risk management.

Long-term Environmental Goals (to FY2050)
In March 2022, we created a long-term environmental goal, Metro CO₂Zero Challenge 2050. Through it, we aim to achieve a 50% reduction in CO₂ (compared to FY2013) in FY2030 and net zero in FY2050 across all of our Group operations (revised in March 2023). Most of the CO₂emitted by the Tokyo Metro Group comes from electric power. To date, we have promoted energy conservation by updating our fleet to more energyefficient rolling stock. The Group then aims to achieve net zero Flood control measures CO₂emissions in FY2050 by gradually replacing the entire Group's electricity with power derived from renewable sources.
We will review our procurement policy for electricity from renewable sources as appropriate and consider optimal means of procurement.