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Ministério Público Federal vs. IBAMA e Petrobras (Suspension of the licence for the Pre-Operational Assessment in the Amazon River mouth area) - petition

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Ministério Público Federal vs. IBAMA e Petrobras (Suspension of the licence for the Pre-Operational Assessment in the Amazon River mouth area) - reply

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In September, 2025, the Federal Public Prosecutor's Office (MPF) filed a Public Civil Action (ACP) with a request for urgent relief filed by against the Brazilian Institute of Environment and Renewable Natural Resources (IBAMA) and Petróleo Brasileiro SA (Petrobras), due to the granting of authorization for Pre-Operational Assessment (APO) in Block FZA-M-59, located in the Foz do Amazonas Basin, a stage prior to the license for drilling offshore oil wells. The objective is to annul Decision Order No. 33/2025/Gabin, issued by the President of IBAMA, which granted the authorization and the non-issuance of an operating license for well drilling until the licensing irregularities are remedied. The Federal Public Prosecutor's Office (MPF) argues that the aforementioned Decision Order is null and void because it contradicts environmental licensing regulations, international obligations, and a technical opinion from the agency itself, which recommended the denial of the license due to serious flaws in the Oiled Fauna Protection and Care Plan (PPAF). Furthermore, the nullity is based on the absence of an Environmental Assessment of the Sedimentary Area (AAAS), the failure to conduct prior, free, and informed consultations with the affected indigenous, quilombola, traditional fishing, and riverside communities, and the failure to consider some of these communities in the environmental studies, despite the prediction of various impacts on them, in violation of ILO Convention No. 169 and the Federal Constitution. It further argues that the licensing documents do not consider extreme weather events, violating IBAMA regulations, the National Policy on Climate Change, and the Forest Code. The argument is that the authorization granted violates the precautionary and preventive principles, representing a serious risk to the populations and coastal ecosystems of the Amazon River mouth, a region that shelters mangroves and reefs. It maintains that IBAMA's decision ignores the global climate emergency and the international commitments undertaken by Brazil, such as the Paris Agreement, and that the expansion of oil exploration goes against the energy transition and decarbonization policy, perpetuating an unsustainable model based on fossil fuels, which affects Brazil's credibility on the international climate agenda, especially on the eve of COP-30. Thus, the authorization granted without climate impact studies and without AAAS would put Brazil in breach of its commitments to mitigate climate change. In provisional relief, it requests (i) the immediate suspension of Order No. 33/2025/Gabin, or, subsidiarily, the prohibition of granting the Operating License (LO) until the necessary environmental and climate studies are carried out, as well as free, prior and informed consultation with the affected communities; (ii) the prohibition of Petrobras or related companies from entering the villages located in the Uaçá, Galibi and Juminã Indigenous Territories without prior authorization from FUNAI. On the merits, it requests the definitive annulment of the order and the acts resulting therefrom and the suspension of the licensing until the identified nullities are remedied.

The preliminary injunction was partially granted by the 1st Federal Civil Court of the SJAP, which upheld the authorization of the APO, but ordered Petrobras to refrain from direct contact with indigenous and traditional communities without the presence of FUNAI.

The Federal Public Prosecutor's Office filed an interlocutory appeal with the TRF1 (1025450-83.2025.4.01.0000), seeking the complete suspension of the authorization.

In its defense, IBAMA requested the complete dismissal of the plaintiff's claims, with recognition of the legality of Decision Order No. 33/2025/Gabin and the regularity of the environmental licensing. It argued that the challenged act was technically sound and without any illegality. Finally, it requested the full maintenance of the licensing and the denial of the injunction sought by the Federal Public Prosecutor's Office.

Petrobras, in its defense, requested that the claims be dismissed due to a lack of factual and legal grounds to support them. The defense was based on the legality of the environmental licensing process conducted by IBAMA, the absence of procedural irregularities or violation of indigenous rights, and finally, it maintained compliance with all applicable legal and technical requirements.

Ministério Público Federal vs. IBAMA e Petrobras (Suspension of the licence for the Pre-Operational Assessment in the Amazon River mouth area)

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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.

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

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.

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.

Aligning the skills of the workforce with the requirements of the just transition.

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

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.

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

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

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

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

Air pollution involves harmful contaminants in the air, affecting both indoor and outdoor environments. It can lead to health issues like respiratory diseases and heart problems, and climate impacts such as global warming. Pollutants can damage plants, trees, habitats, and water bodies like rivers and lakes.

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

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

Work that is productive and delivers a fair income, security in the workplace and social protection for all, better prospects for personal development and social integration, freedom for people to express their concerns, organize and participate in the decisions that affect their lives and equality of opportunity.

Oil is a combustible liquid fossil fuel composed mainly of hydrocarbons, occurring as crude oil and refined into petroleum products such as petrol, diesel and kerosene.

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

Actions or measures to adapt freshwater systems to climate change.

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

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

Electrical energy generated from mechanical devices driven by flowing fresh water.

Activities that involve planning, designing and building infrastructure, residential, and commercial structures.

Production of electricity and heat from solar irradiation.

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

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.

This sector involves the distribution, treatment, and conservation of water resources.

Dedicated pool of financial resources for climate-related projects.

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.

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

Fossil gas, commonly known as natural gas, is a fossil fuel consisting chiefly of methane with smaller amounts of other hydrocarbons and trace gases, found in underground deposits.

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

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 with different national or cultural traditions from the dominant population

The activities of industries that transforms raw materials into finished goods through industrial processes.

The activities of industries involved in the production, distribution, and sale of energy, including electricity, gas, and renewables.

This sector creates and distributes information and entertainment through television, radio, print, and digital platforms.

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

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 can have a range of impacts on technological system. Extreme weather events can cause infrastructure failures like power outages or damage to roads and bridges, as well as the impacts from waste following natural disasters. Human activities also cause technological impacts, such as the risks posed by oil spillage and leaks.

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.

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

Coal is a combustible sedimentary rock formed from carbonised plant matter, rich in carbon and hydrocarbons, and occurring in several main types including hard coal and brown coal.

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

A company that is owned wholly or partially by the state, typically operating in key sectors.

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

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

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

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.

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Ministério Público Federal vs. IBAMA e Petrobras (Suspension of the licence for the Pre-Operational Assessment in the Amazon River mouth area) - petition

Policy instrument

Risk

Impacted group

Just transition

Renewable energy

Fossil fuel

Greenhouse gas

Economic sector

Adaptation/resilience

Finance