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Guillermo Tristan Montenegro v. Ministry of Environment and Sustainable Development - appeal

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Guillermo Tristan Montenegro v. Ministry of Environment and Sustainable Development - petition

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Guillermo Tristan Montenegro v. Ministry of Environment and Sustainable Development - decision

Filing Year For Action

On December 30, 2021, the Ministry of Environment and Sustainable Development published Resolution 436/2021 approving the implementation of an offshore seismic acquisition project submitted by the Norwegian company Equinor. This approval of offshore fossil fuel exploration resulted in several lawsuits seeking an injunction to halt the project and an order declaring the approval’s regulations null and void. Some of those lawsuits are, partially, grounded on climate concerns. Other relevant cases can be found <a href="https://climatecasechart.com/non-us-case/greenpeace-argentina-et-al-v-argentina-et-al/">here</a> and <a href="https://climatecasechart.com/non-us-case/organizacion-de-ambientalistas-organizados-v-ministry-of-environment-and-sustainable-development/">here</a>.

On January 13, 2022, the Mayor of the City of Mar del Plata filed a constitutional collective action (amparo colectivo ambiental) against the Ministry of Environment and Sustainable Development for its approval of the offshore exploration activities. Among other concerns regarding access to environmental information and participation in the decision making-process (citing the Escazú Agreement), the claim mentions that the project undermines Argentina’s international climate commitments (UNFCCC, Paris Agreement, and NDC to the Paris Agreement), that the NDC is not sufficiently ambitious, that the National Adaptation and Mitigation Plan is missing, and that, ultimately, there is regulatory incoherence between the project and the climate pledges. 

On January 14, 2022, all the three climate lawsuits against the offshore exploration activities (together with other non-climate related cases) were combined, and the court will hand down a single judgment for all.  

On February 11, 2022, the Federal Court of Mar del Plata ordered a halt to the fossil fuel exploration activities. The order does not make any mention of climate change concerns. Instead, the judge focuses on failures regarding procedural rights (participation and information) with explicit mention of the Escazú Agreement, lack of strategic environmental assessment, and possible risk to marine biodiversity. In the decision, the precautionary principle plays a key role. On February 15, 2022, the government filed an appeal to the injunction order. In its appeal, the government is also asking for the removal of the judge from the case. On February 18, 2022, a different judge (Federal Court of Mar del Plata N.4) allowed the appeal to proceed with suspensive effect. That means that the exploration activity can go ahead until the Federal Court of Appeal revises the injunction order.  

On June 3, 2022, the Federal Court of Appeal (Federal Chamber of Mar del Plata) annulled the injunction relief delivered by the Federal Court on February 11, 2022. However, at the same time, the Court ordered the Ministry of Environment and Sustainable Development, as a new injunction, to issue a new complementary environmental impact assessment that considers possible cumulative impacts of the activities. In this new assessment, the spatial and temporal scope of the project's implementation must be analyzed and weighed. It is also mandatory to include the participation of the National Parks Administration and to consider the results of the public consultative hearings, organized at both local (public hearing initiated on 30 May 2022), and national levels (public consultation which ended on 19 May 2022). Finally, the Court asked for the inclusion of the Ministry of Environment and Sustainable Development in the control and monitoring of compliance with the Environmental Impact Statement and its corresponding Environmental Management Plan (a task before assumed only by the Secretary of Energy). In this sense, exploration activities should stop (again) until all these requirements are met. Climate arguments were not developed by the Court of Appeal.

On December 5, 2022, the Federal Court of Appeal (Federal Chamber of Mar del Plata) considered that the authority had met all the requirements asked in its order of June 3th. That implies the termination of the injunction and, therefore, the exploration activity can go ahead until a final decision on the merits is delivered. Climate arguments are, once again, absent in the Court of Appeal's decision. The plaintiffs announced their intention to appeal this decision before the Supreme Court. 

On March 14, 2024, the defendants —corporations and the National State— submitted their written replies to the complaint. 

Guillermo Tristan Montenegro v. Ministry of Environment and Sustainable Development

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Guillermo Tristan Montenegro v. Ministry of Environment and Sustainable Development - appeal

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Risk

Just transition

Renewable energy

Fossil fuel

Greenhouse gas

Economic sector

Adaptation/resilience

Finance