Hong Kong has unveiled an expanded version of its sustainable finance taxonomy, extending recognition to more economic activities and introducing new climate adaptation assessments, aiming to channel more capital towards greener and transition projects.
- Expanded taxonomy covers battery recycling, electric vehicles, and sustainable aviation fuels
- Climate adaptation framework includes location-specific assessment and shoreline protection
- Hong Kong maintains leading position in Asia’s green bond market with $20.2B issuance in H1 2026
What happened
At the launch of Hong Kong’s annual Green Week, the Hong Kong Monetary Authority (HKMA) introduced the Phase 2B prototype of its Sustainable Finance Taxonomy. This update broadens the classification of green and transition activities from 25 to 39, adding sectors such as battery manufacturing and recycling, electric public transport, sustainable aviation fuel, and green marine fuels.
The HKMA also released an enhanced climate adaptation framework that incorporates a five-step process-based assessment for location-specific climate risks, including shoreline protection and flood management. This framework now features 24 adaptation measures, divided into those pre-approved ('white list') and those requiring detailed case evaluations.
Why it matters
Hong Kong’s taxonomy expansion responds to growing recognition of climate-related risks as concrete financial factors. By broadening sector coverage and refining risk assessments, the framework aims to direct capital towards projects that genuinely improve climate resilience and facilitate industrial transitions, especially for sectors like aviation and steelmaking that are challenging to decarbonize.
This evolution is critical for maintaining Hong Kong’s role as a leading green finance hub in Asia, where the city arranged $20.2 billion of green and sustainable bonds in the first half of 2026. Enhanced taxonomy clarity and usability support market growth and align investment decisions with sustainability goals.
What to watch next
The HKMA is currently conducting a public consultation on the Phase 2B taxonomy prototype until October 7, inviting stakeholder feedback. Following this, the authority plans to develop practical guidance for banks and survey their use of the taxonomy, potentially integrating it into banking supervision policies in the future.
Market participants should monitor developments in taxonomy adoption, especially as new activities respond to industry demands. The taxonomy’s role in financing innovative projects such as Hong Kong’s first public hydrogen refueling station and electric bus purchases highlights its growing influence on sustainable investment flows.