Brazilian Climate Litigation Platform

The Brazilian Climate Litigation Platform is a database developed by Research Group on Law, Environment and Justice in the Anthropocene (JUMA) which gathers information on climate litigation in Brazilian courts. For a better understanding of the cases classification, access our methodology and our publications. For information on case updates, visit our news page.
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Case Name: ADO 92 (Aerial Spraying of Pesticides and Regulatory Omission)

Type of Action

Direct Action of Unconstitutionality by Omission (ADO)

Court of origin

Federal Supreme Court of Brazil (STF)

Filing Date

04/2025

Original case number

92

State of origin

Distrito Federal (DF)

Link to court of origin’s consultation website

https://portal.stf.jus.br/processos/detalhe.asp?incidente=7223317

Summary

This is a Direct Action of Unconstitutionality by Omission (ADO) filed by the Articulation of Indigenous Peoples of Brazil (APIB), seeking recognition of the lack of specific federal regulation on the aerial spraying of pesticides as a normative omission incompatible with the 1988 Federal Constitution. APIB argues that the absence of clear and protective rules regarding this practice violates fundamental rights, especially those related to health, adequate food, the preservation of a balanced environment, and the safeguarding of the lands and ways of life of indigenous peoples. The lawsuit explicitly emphasizes aspects related to the climate crisis and environmental preservation, highlighting that aerial spraying intensifies the degradation of ecosystems, threatens biological diversity, and directly compromises the territorial and cultural integrity of indigenous communities, which provide essential environmental services for climate regulation. It is noteworthy that the country occupies a prominent position in the use of pesticides, with aerial application being one of the main sources of soil, water, and air pollution, deepening inequalities and socio-environmental risks. Given this scenario, as a precautionary measure, APIB requests the immediate suspension of aerial spraying of pesticides throughout the national territory. As final requests, it is requested that the Supreme Federal Court declare the unconstitutionality by omission of the federal administrative regulations on pesticide spraying (embodied in Decree-Law 917 of October 7, 1969; Decree 86,765 of December 22, 1981; MAPA Normative Instruction No. 2 of January 3, 2008; and GM/MAPA Ordinance No. 298 of September 22, 2021), due to insufficient protection of constitutional rights, and that it order the Federal Executive Branch to issue administrative measures prohibiting the aerial spraying of pesticides throughout the national territory, by manned and unmanned aircraft. Alternatively, it requests that the Federal Executive Branch be required to issue regulations within a maximum period of sixty days, establishing exclusion zones or areas free from ground and aerial spraying of pesticides around indigenous lands, and setting a daily fine for non-compliance.



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Plaintiff

  • Articulação dos Povos Indígenas do Brasil (APIB)

Type of plaintiff

  • Organized Civil Society

Defendant

  • Presidente da República
  • Ministro de Estado da Agricultura, Pecuária e Abastecimento
  • Ministros da Marinha de Guerra, do Exército e da Aeronáutica Militar

Type of defendant

  • State official

Main norms mobilized

Brazilian biomes

Not Applicable

Greenhouse Gas (GHG) emission sectors

  • Agriculture
  • Land Use Change and Forestry

Status

Pending

Type of case

Systemic

Climate in environmental licensing

Non-mentioned

Environmental and/or climate justice approach

Mentioned explicitly

Claim alignment with climate protection

Aligned

Measures Addressed

  • Adaptation

Climate approach

Contextual approach


Case timeline

04/2025

Complaint


Case documents


Document type

Complaint

Origin

Articulação dos Povos Indígena do Brasil (APIB)

Date

04/2025

Brief description

The petition requests a declaration of unconstitutionality due to omission of the federal administrative regulation on pesticide spraying and a determination that the Federal Executive Branch issue administrative measures prohibiting aerial pesticide spraying throughout the national territory, by manned and unmanned aircraft. Subsidiarily, the petition requests the imposition of an obligation on the Federal Executive Branch to issue, within a maximum period of sixty days, regulations establishing exclusion zones or zones free from ground and aerial pesticide spraying around Indigenous lands, and the imposition of a daily fine for non-compliance.

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