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How to Finance Climate Action in Cities? Effective and Innovative Instruments for Latin America and the Caribbean

May 7, 2024 por Sofía del Castillo - Karin Villarroel - Sol Reiman Leave a Comment

Este artículo está también disponible en / This post is also available in: Spanish


In the Housing and Urban Development Division of the IDB, we have organized the webinar series “Cities in Latin America and the Caribbean as Catalysts for Climate Action Post-COP28” to support municipalities in the region in understanding the opportunities and challenges of climate change management in the urban agenda, delving into aspects of governance, gender and equity, and financing.  

The first webinar highlighted the importance of multi-level coordination to drive climate action in cities; the second meeting delved into the need for mainstreaming climate equity in the urban agenda; and the third and final meeting, held on April 3rd, addressed the importance of mobilizing resources and promoting climate financing at the subnational level for the construction of resilient urban environments and for the advancement of national and global climate goals. We share here its recording:  

Challenges and opportunities for accessing subnational climate financing  

The financing gap is one of the main challenges to undertake climate actions in cities. Globally, cities received less than 8% of the climate finance they require each year during the period 2017 and 2018 [1]. 

Some of the main barriers to accessing subnational climate finance are institutional weakness, limited municipal technical capacities, the complexity of integrating climate plans with other development and land use plans, the lack of urban-scale climate studies to guide the development of climate plans and investments, the difficulties in designing bankable projects and budgeting investments, as well as ensuring alignment with national policies.  

To address the financial challenges of climate change at the local level, it is necessary to align local climate plans with urban development, integrating Nationally Determined Contributions (NDCs) and national policies. It is essential to establish a roadmap with priority interventions, strengthen the institutional capacity of cities, and improve the collection of climate data. Additionally, it is crucial to develop attractive projects for investors, seek external financing (such as climate funds), and explore innovative financial instruments, such as municipal green bonds, to ensure long-term sustainability.  

The good news is that global and regional organizations, as well as financing entities (MDBs, green funds, etc.), have developed initiatives and actions to strengthen the capacities of subnational governments, create conditions that incentivize private investment, and support the preparation of projects that can be financed by banks and multilateral organizations, being particularly attractive those with high potential for financial return. These are some of the resources and initiatives mentioned during the webinar: 

  • Financial Instruments Toolkit 
  • Project Preparation Resource Directory 
  • Financial Aggregation Blueprints for Urban Climate Infrastructure 
  • CityWorks: Localising Global Agendas 
  • FAST-Infra Label 
  • NetZeroCities resources 
  • APEX: An Investment Planning App for Cities 

Climate action in citiesBottom of Form 

City of Mendoza, Argentina. Mendoza has incorporated the climate perspective across its municipal budget. The municipality stands out for its vision of being a sustainable city, with social inclusion and environmental care, as well as collaborative work between the Environment and Finance secretariats to mainstream climate action in municipal projects. The municipality allocated 51% of its 2023 budget to climate financing, enabling its application to a United Nations fund, along with national grants and support from the Global Environment Facility (GEF). Additionally, they are working on structuring a green bond to finance research for a solar park project. A green fund has also been created to finance research projects for climate management in the city. 

State of Baja California, Mexico. To address water supply backlog in the State of Baja California, Mexico, the State Government recently approved the issuance of a 3 billion Mexican pesos green bond. With water storage levels below 30%, the State Government of Baja California sought to ensure supply using a sustainable approach. The green bond was backed by US federal, Mexican federal, and private funds, totaling 9 billion Mexican pesos for treatment, desalination, and more projects. The associated benefits have been significant enough to overcome the challenges associated with its structuring. Better rates, grace periods, and warranty conditions have been achieved, tripling the investment made. The State has also implemented an interesting management model by creating a technical financing committee, a repayment model for water operators with commercial, financial, and governance performance indicators, and a revolving investment model that promotes permanent investment. With a green approach, Baja California is moving towards sustainable water management, guided by performance indicators and environmental monitoring. 

To promote access to subnational climate financing, it is essential to strengthen capacities for the generation of solid projects, as well as to promote multi-level coordination and private sector participation in the search for innovative financing mechanisms to drive climate action at the local level. 

[1] https://www.climatepolicyinitiative.org/wp-content/uploads/2023/11/Executive-Summary_Accelerating-Urban-Climate-Finance-in-Low-and-Middle-Income-Economies.pdf  


Filed Under: Cities LAB, Cities Network, Uncategorized

Sofía del Castillo

Sofía is a climate change consultant for the Housing and Urban Development Division of the Inter-American Development Bank. Previously, she worked as a specialist consultant on climate change for the United Nations Environment Program and for the Ministry of Environment and Sustainable Development of Argentina, leading the formulation and execution of projects financed by different international climate funds, including the Green Climate Fund. and the Adaptation Fund. Sofía has a degree in Chemistry from the National University of Córdoba (Argentina) and a master's degree in Climate, Land Use and Environmental Services from the AgroParisTech Institute of Paris Saclay University (France).

Karin Villarroel

Karin Villarroel is a Project Implementation Consultant at the IDB Cities Network in the Housing and Urban Development Division of the Inter-American Development Bank. She is an architect and urban planner specializing in cities and sustainable urban development, with expertise in development projects, urban planning and design, environmental sustainability, and transportation in cities. In her current position, she provides operational and technical support for dialogue opportunities to strengthen and enhance cooperation among cities in Latin America and the Caribbean. Previously, she was the head of the Urban Planning Section at the Municipality of Lo Barnechea in Santiago, Chile, where she led a multidisciplinary team implementing urban design and planning projects. Karin holds a Master's in Public Policy from the London School of Economics and Political Science (LSE), a Master's in Real Estate Development and Investment from ESE Business School, Universidad de Los Andes in Chile, a Master's in Urban Project and a Bachelor of Arts in Architecture from Pontificia Universidad Católica de Chile (PUC).

Sol Reiman

Sol Reiman es consultora de cambio climático de la División de Vivienda y Desarrollo Urbano del Banco Interamericano de Desarrollo. Es licenciada en Geografía por la Universidad de Buenos Aires, y co- directora general de la organización Ahora Qué?, de educación y comunicación ambiental. Además, se desempeña como consultora externa en proyectos de cambio climático y educación ambiental. Previamente, trabajó como asesora en adaptación al cambio climático en la Agencia de Protección Ambiental de la Ciudad de Buenos Aires, avanzando en el seguimiento e implementación del Plan de Acción Climática de la Ciudad de Buenos Aires.

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Este es el blog de la División de Vivienda y Desarrollo Urbano (HUD) del Banco Interamericano de Desarrollo. Súmate a la conversación sobre cómo mejorar la sostenibilidad y calidad de vida en ciudades de América Latina y el Caribe.

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