Environmental Policies and Targets


Net Zero Transition Plan

Mizuho's Net Zero Transition Plan (overview)



Component Description
Policy This component clarifies the issue awareness and concrete actions that form the basis of environmental initiatives, including climate change actions, in the Environmental Policy, and defines our stance on climate change toward achieving a low-carbon society.
Aims and Actions In order to make actual progress on the stance outlined above, this component clarifies our aims and actions to achieve a low-carbon society by 2050 and to pursue efforts to limit worldwide temperature increase to 1.5°C as described in Mizuho's Approach to Achieving Net Zero by 2050.
Climate-related governance structure for the Transition Plan Approval, supervision, and reporting: The Board of Directors approved the revised Net Zero Transition Plan (formulated in April 2022 and revised in April 2023). Regarding the Transition Plan's progress, the Board of Directors supervises information reported to it after discussions by the business execution line.
Accountability and review: The business execution line is accountable and responsible for the execution of the Transition Plan, conducts periodic reviews of the plan's execution status, and reports the review findings to the Board of Directors.
Transparency: The Transition Plan and the status of related initiatives are regularly disclosed and reported to external stakeholders.
Identification of priorities Materiality: This component identifies environment and society as one materiality – a priority issue over the medium to long term for sustainable growth and development of Mizuho and its stakeholders, including clients, employees, and the economy and society.
Top risks: The component notes that Worsening impact of climate change has been set as one of the 11 top risks for FY2023.
Scenario Analyses: The component recognizes the importance of the engagement and corporate clients' responses to transition risks, based on considerations of the results of past scenario analyses.
Key sectors: Based on emission volume (impact on the real economy), Mizuho's opportunities and risks associated with decarbonization and the characteristics of Mizuho's portfolio and client base, the component identifies key sectors to focus on from a decarbonization perspective.
- Electric power, energy, steel, chemicals, automotive, maritime transportation, aviation, and real estate sectors
Next-generation technologies: The component identifies next-generation technologies associated with decarbonization in the key sectors given above.
- Hydrogen, offshore wind farms, CCS1, and biomass (SAF2)
Capturing business opportunities This component sets out our aim to support client decarbonization transitions and structural transformations through the provision of financial and nonfinancial solutions.
- Co-creation toward industrial and business structural transformations and applications of technologies
- International cooperation and dissemination within Japan to scale up decarbonization
- Provision of transition finance through public-private partnerships
Risk management Continuous improvements to risk management systems and policies
- Improvements to risk controls in carbon-related sectors through quantitative identification and evaluations of climate-related risks
- Operation of and continuous revisions of the ES Policy
Strengthening engagement This component describes initiatives to strengthen client engagement to support facilitate transitions by confirming the status of client responses to transition risks and ensuring clients and Mizuho to have shared recognition of the business landscape and the challenges they face.
The component also describes initiatives to strengthen Mizuho's communications of its messages and opinions and its participation in international rule-making through study groups and societies organized by government agencies and research institutes.
Capability building This component describes initiatives to enhance human resources in relation to sustainability transformation and strengthen two-way communications with employees toward making active use of employee ideas.
Metrics and Targets
(Position of metrics and targets) This component sets the following metrics and targets to measure the progress of initiatives described in the Strategy section above and the contribution to transition of the real economy as a result of the initiatives.
Capturing business opportunities
  • Targets for sustainable finance and environment and climate-related finance
Risk management
  • Targets to reduce the outstanding credit balance of coal-fired power generations plants
  • Exposure to high-risk areas in transition risk sectors
  • Status of client responses to transition risks
Capability building
  • Sustainability transformation talents KPIs
GHG emission reductions
  • Targets to reduce our own emissions (Scope 1 and 2)
  • Targets to reduce emissions from financing and investment (Scope 3)

1 CCS:Carbon dioxide Capture and Storage
2 SAF:Sustainable Aviation Fuel

Third–Party Verification

Third party verification report

Education for our Executive Officers and Employees

Mizuho provides education, training, and information to ensure our executive officers and employees comply with all relevant regulations and processes. We also provide training programs, internal communication tools, and study sessions with related companies and departments to deepen understanding about environmental and human rights issues with the objective of promoting awareness throughout our organization so all executive officers and employees will conduct their duties conscientiously.

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