C40 works with port cities to establish international partnerships that decarbonise major shipping routes

As part of C40’s work supporting port cities to accelerate zero emission shipping solutions, green shipping corridors create the infrastructure and partnerships needed to make clean maritime transport viable on major trade routes.

How C40 helps establish green shipping corridors

The Green Shipping Corridors programme convenes port cities, port authorities, and industry partners to establish zero emission shipping routes on major trade corridors. We help cities:

  • Create special economic zones at sea that support new technologies, clean fuels, and innovative business models.
  • Apply proven C40 models like the Zero Emission Areas Programme to maritime contexts.
  • Coordinate action that reduces greenhouse gas emissions whilst improving air quality in port communities.
  • Build meaningful international public-private partnerships between cities, ports, and the shipping industry.

C40 currently supports two corridors: Los Angeles-Long Beach-Shanghai and Los Angeles-Long Beach-Singapore.


Follow the Los Angeles-Long Beach-Shanghai corridor’s progress

Launch of the implementation plan

Read the Los Angeles, Long Beach, and Shanghai implementation plan outline, including its ambitious 2025 and 2030 milestone targets.

2025 progress report

Learn about the 2025 progress updates on the Los Angeles-Long Beach-Shanghai corridor, including the successful deployment of reduced lifecycle carbon-capable vessels, expansion of shore power infrastructure to 100%, and scaling sustainable fuel bunkering operations.

2024 progress report

Read the first annual progress report to learn how the Los Angeles-Long Beach-Shanghai partnership moved from planning to implementation, including progress on fuel supply, carrier commitments, and port infrastructure.

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