Green Development

PRC paired large-scale clean-energy investment with a financing innovation: a multiyear cluster lending program across the Greater Beijing–Tianjin–Hebei region committed roughly $2.45–2.55 billion across eight loans between 2015 and 2020 [1]. The program introduced the PRC’s first Green Financing Platform and its first Clean Air Bonds aligned with the Climate Bonds Standard, and the surrounding region—home to nearly a third of national GDP—saw average PM2.5 fall 27% between 2015 and 2019 [2]. ADB has since promoted the model for replication through regional knowledge-sharing seminars [3].

Evidence

What made this work?

• Green bond issuance needs a credible monitoring, reporting, and verification system in place first — the financing tool follows the data, not the other way around.
• Cluster lending works best where one metro region carries outsized economic and pollution weight, concentrating impact.
• Policy-based lending requires a counterpart government willing to commit to phased, sequenced reform — not just capital.

Where else could this apply?

• Improving Air Quality in the PRC: Lessons from the BTH Region

  ADB East Asia Working Paper No. 75 · June 2025
  View source →

• ADB Supports Air Quality Improvement and First Clean Air Bonds in PRC

  ADB news release
  View source →

• Learning from PRC’s Clean Energy Innovations

  RKSI seminar
  View source →

Adaptation guidance for other cities

• Start with an MRV baseline before structuring any green-bond instrument — lenders and bond markets need verifiable data, not intentions.
• Identify whether one metro region concentrates enough economic and pollution weight to justify a cluster-style program, rather than spreading financing thin nationally.
• Sequence reforms before capital: PRC’s model paired policy-based lending with phased commitments, not a single disbursement.

The Beijing–Tianjin–Hebei (BTH) program addressed regional air pollution through a series of sweeping policy loans and Action Plans to significantly lower PM2.5 levels and curb toxic emissions. A separate ADB project tackles a different green-development challenge: how to make biodiversity itself bankable. In Gulin County, Sichuan Province, ADB approved a loan of roughly $150 million in late 2025 for the Chishui River Basin — the last undammed primary tributary of the Yangtze and home to 112 globally significant fish species — piloting ADB’s first nature credit mechanism [1]. The project combines a results-based eco-compensation system with digital monitoring and blockchain technology to turn natural capital — biodiversity, carbon, ecosystem services — into assets that can attract public and private green financing, expected to directly benefit about 265,000 residents [2].

Evidence

What made this work?

• Turning ecosystem services into financeable assets requires a credible measurement and verification layer first — here, digital monitoring and blockchain tracking.
• An eco-compensation mechanism only works if it can route funds to the people actually doing the conservation work — farmers, enterprises, and local government.
• A single, ecologically distinctive river basin gives a pilot program a clear, bounded test case before any wider rollout.

Where else could this apply?

• ADB Approves Loan to Pilot Nature Credit Mechanism in the Chishui River Basin, PRC

  ADB news release · December 2025
  View source →

• Chishui River Basin Ecological Protection and Green Development Project

  ADB project page · 55049-001
  View source →

Adaptation guidance for other countries

• Choose a single, well-defined river basin or ecosystem as a pilot before attempting a national nature-credit framework.
• Pair conservation financing with a digital monitoring layer from day one — investors and verifiers need traceable data, not self-reported outcomes.
• Design the eco-compensation mechanism to pay the people closest to the land — farmers and local government — not just contractors.