Mexico’s Yucatán Peninsula is an ecologically and socially vital region, home to critical ecosystems like coral reefs, mangroves, seagrasses, cenotes, and coastal dunes. These provide essential services such as coastal protection, carbon sequestration, water regulation, and biodiversity conservation, supporting local livelihoods. However, sea-level rise, droughts, stronger cyclones, shifting rainfall, and ocean acidification are intensifying. These climate challenges, combined with human-driven threats like tourism expansion and unsustainable agriculture such as overfishing, endanger ecosystems and the communities and livelihoods that rely on them, particularly indigenous and vulnerable populations.

The project aims to increase the climate resilience of vulnerable communities, ecosystems, and productive systems by supporting locally led Ecosystem-based adaptation (EbA) interventions that enhance biodiversity, reduce climate vulnerability, and sustain essential ecosystem services in Mexico’s Yucatán Peninsula.

Some key activities are financing ten sub-projects to conserve, restore, and improve productive practices to increase communities’ adaptive capacities in coastal and marine landscapes, mobilising financing to scale up community-level activities, and knowledge sharing and enhanced coordination among local stakeholders, national agencies, and NGOs.

GCF's Project Preparation Facility (PPF) and Readiness Programme support were deployed to help develop the project.

Sustainable Communities for Climate Action in the Yucatán Peninsula (ACCIÓN)

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Mexico

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An aim to achieve a quantifiable outcome within a given time-frame, set by an institution such as a national government.

Policy instruments are techniques or tools used by governing authorities to promote certain policies in order to achieve predetermined goals. Put simply, instruments are how a government tries to achieve its goals, with this taxonomy being focused on national policy instruments.

Risk is the potential for adverse consequences resulting from the dynamic interplay between (climate-related) hazards, exposure, and vulnerability of affected human or ecological systems.

Groups  of people who are adversely affected by climate change or the response to it

A set of principles, processes, and practices that build economic and political power to shift from an extractive economy to a regenerative economy.

Justice is the ethical and political framework that addresses fairness, including issues of responsibility, rights, and structural inequity.

Renewable energy means all forms of energy produced from renewable sources in a sustainable manner.

Fossil fuel is a generic term for non-renewable energy sources such as coal, fossil gas, and oil (including crude oil, and petroleum products), that can be used for electricity and heat generation. Fossil fuels are hydrocarbons formed from pressurised and heated organic material buried over millions of years.

Molecules in the atmosphere that play a key role in the greenhouse effect by trapping heat radiating from Earth’s surface.

Area of the economy in which actors engage in identical or related activities.

In human systems, the process of adjustment to actual or expected climate change and its effects, in order to moderate harm, increase resilience or exploit beneficial opportunities. In natural systems, the process of adjustment to actual climate change and its effects; human intervention may facilitate adjustment to expected climate change and its effects.

The management and allocation of funds, assets and investments to meet various objectives

People who are less able to respond to the effects of climate change due to having limited financial or physical assets

A loan is a policy instrument where funds are provided to a borrower with the expectation of repaying the principal plus interest.

A subsidy is a direct or indirect payment to individuals or businesses, typically provided as a government cash payment or a specific tax reduction.

Direct investments by the governments using public funds. This can be to support climate initiatives or integrate climate into other projects.

Compulsory, required payments to the government that are levied more-or-less in proportion to the services provided. Fees and charges range from entrance fees to national parks, charges on land-based sewage discharge.

Financial support to help individuals manage the effects of unexpected events, securing their livelihoods and increasing the resilience of people and businesses to the changing climate. It’s especially vital in developing regions where everyday risks, climate-related weather extremes, or crop failures can push people into poverty. Without insurance, people may have to resort to selling assets or cutting consumption to cope with losses.

Tradable permits are market-based tools that grant permission for specific activities, frequently used to regulate emissions. These permits can be issued within a trading system to manage environmental impacts.

Zoning and spatial planning are both methods for guiding the distribution of people and activities in a space, and are regulatory restriction.

The processes through which enterprises can identify, prevent, mitigate and account for how they address their actual and potential adverse impacts. Due diligence is the idea that reasonable precautions should be taken to avoid causing harm to people, the environment, or society. It also involves identifying and mitigating risks before they occur.

A ban is a legal action that prevents the sale or supply of a product or service, or that recalls a product from the market. Examples are bans on SF6, greenwashing, fossil fuel advertisement or single-use plastics.

An integrated system of hazard monitoring, forecasting and prediction, that enables individuals, communities, governments, businesses and others to take timely action to reduce disaster risks in advance of hazardous events.

Financial actors and resources that are primarily directed towards climate change mitigation, adaptation and compensation.

Finance that is primarily directed towards climate change adaptation, including increasing resilience and robustness to actual or expected climate change and its effects.

Dedicated pool of financial resources for climate-related projects.

Either money or something of monetary value is transferred between two or more organisations, people or countries.

Conditions that enhance the feasibility of adaptation options. Enabling conditions include finance, technological innovation, strengthening policy instruments, institutional capacity, multi-level governance and changes in human behaviour and lifestyles.

Actions or measures to adapt terrestrial systems to climate change.

Actions or measures to adapt freshwater systems to climate change.

Actions to adapt human health, healthcare systems and well-being to climate change.

Actions to adapt and increase the resilience of rural and urban infrastructure and settlements to climate change.

Coastal zone and marine-related actions and measures to adapt and increase resilience to climate change

Actions and measures to adapt and increase resilience of societies and the economy to climate change.

Action or measure that increases resilience of societal, cultural and natural heritage to climate change impacts.

Actions or measures to adapt freshwater, coastal and marine systems to climate change.

The release of heat-trapping gases, primarily from human activities such as burning fossil fuels, agriculture and industry.

A long-lived, colourless gas, chiefly emitted from fossil fuel combustion, deforestation and cement production.

Risks to the ecosystem health of the marine environment, including ocean warming, ocean acidification, and ocean deoxygenation, harming biodiversity, species health, ecosystem services, and coastal community livelihoods.

Extreme weather refers to events where a weather variable exceeds (or falls below) a threshold. Meaning it is significantly different from the average or usual weather pattern.

A drought is an extended period of unusually dry weather marked by a significant and sustained lack of precipitation, falling below a specific threshold over a large area for more than a month

Terrestrial means "of the earth" and relates to the risks to ecological system that includes all living organisms and their interactions within land-based environments, such as forests, grasslands, and deserts.

Energy derived from biological compounds that are renewable due to their short life cycle within the carbon dioxide cycle.

Social inclusion is the process of improving the terms on which individuals and groups take part in society—improving the ability, opportunity, and dignity of those disadvantaged on the basis of their identity.

People with different national or cultural traditions from the dominant population

Social and cultural groups that share collective ancestral ties to the lands and natural resources where they live, occupy or from which they have been displaced

People whose health, both mental and physical, makes them more vulnerable to the effects of climate change

People who have left their homes, whether through force, voluntarily, or a mixture of both

woman and genders outside of the gender binary

Any compulsory, unrequited payment to the government levied on corporations or individuals. This can be for environmental reasons, such as introducing a Carbon tax to set a price that emitters must pay for the greenhouse gases they emit.

Households employing domestic workers, for activities like cooking, cleaning and subsistence farming, for their own use.

Activities of industries that extract natural resources, such as mining, oil, and gas, for commercial use.

This sector involves managing waste treatment, sanitation, pollution control and environmental cleanup.

This sector involves activities to move goods and people, alongside the storage of products.

Activities that provide lodging, food, and entertainment services to guests, including hotels, restaurants, and resorts.

This sector involves activities that impart knowledge and skills to individuals, including formal schooling, vocational training and educational support.

Activities of government agencies and institutions that provide public services, enforce laws and manage public resources.

This sector includes firms and individuals offering specialised expertise in fields such as law, accounting, consulting, science and engineering.

Activities of businesses and institutions that provide financial services and products to individuals and organisations.

Activities that involve the cultivation of crops and raising of livestock for food, fibre, and other products essential for human life and industry.

Activities that relate to the production of goods and services from forests.

Activities involving the catching, processing, and selling of fish for food, recreation, and industry.

the fair distribution of risks and opportunities of climate change and the transition to a regenerative economy, cognisant in particular of disproportionate impacts on vulnerable communities and the working class

Procedural justice means ensuring that decision making is safe, transparent and inclusive, emphasizing the agency and influence of vulnerable groups and those most impacted.

Any substance with chemical properties that can cause physical harm to people or damage the environment, including ammonia, carbon monoxide, phosphine, chlorine, arsenic, cadmium, mercury, pesticides, dioxins, microplastics, benzene, asbestos, aflatoxins, fluoride, methanol, and toxins from marine sources.

Climate change impacts our society by disrupting the natural, economic and social systems we depend on. Physical hazards and underlying vulnerabilities can lead to increased resource competition for food and water, which can heighten the risk of conflict.

Slow onset events evolve gradually from incremental changes over many years or from increased frequency or intensity of recurring events. As defined in the Cancun Adaptation Framework (2010), slow onset events include risks and impacts from rising temperatures, desertification, biodiversity loss, land and forest degradation, glacial retreat, ocean acidification, sea level rise, and salinization.

Heavy precipitation refers to any form of weather where substances fall from the sky, including rain, snow, sleet, or hail.

Geohazards are adverse geological phenomenon's that are capable of causing widespread damage or loss to property, life and the environment, such as earthquakes, volcano eruptions and tsunamis. Climate change can increase the frequency and severity of some geohazards, such as landslides, and soil erosion.

Sustainable Communities for Climate Action in the Yucatán Peninsula (ACCIÓN)

Target

Policy instrument

Risk

Impacted group

Just transition

Climate justice

Renewable energy

Greenhouse gas

Economic sector

Adaptation/resilience

Finance

Adaptation Fund

Climate Investment Funds

Green Climate Fund

Global Environment Facility