Mariana Cirne

Mariana Cirne is a Professor in the Master’s and Doctoral Program in Constitutional Law at the Brazilian Institute of Education, Development, and Research (IDP), where she leads the research on Socioenvironmental Emergencies in Brazil. She is also a Law Professor at the University Center of Brasília (CEUB) and a collaborator in the Professional Master’s Program in Law and Public Advocacy at the School of the Office of the Attorney General of Brazil (AGU). At IDP, she coordinates the research group Climate, Argumentation, and Separation of Powers (CASP-IDP), which operates along two axes: (a) Institutional Dialogues, the Legislative Process, and the Constitution; and (b) Climate and Environmental Protection. She additionally coordinates the extension project Building Bridges, Connecting Knowledge, and Strengthening Climate Justice in Capão Comprido, São Sebastião – DF. 

Mariana is a member of the Brazilian Association of Environmental Law Professors (APRODAB) and serves as Coordinator of the Research Group on Environmental Law and Sustainable Development at CEUB. She is also a climate litigator, and her research examines the effectiveness and implementation of climate-related judicial and administrative decisions within Brazilian environmental governance.

Background

Mariana holds a PhD (2019) and a Master’s degree (2012) in Law, State, and Constitution from the University of Brasília (UnB). She also holds postgraduate diplomas in Constitutional Law (UNP, 2007) and Civil Procedural Law (IDP, 2010), and a Bachelor of Laws from the University of Pernambuco (2005). Since 2007, she has served as a Federal Attorney at the Office of the Attorney General of Brazil (AGU). She has been teaching and researching Environmental Law at CEUB since 2015, and since 2022 she has supervised master’s and doctoral theses on environmental governance, climate litigation, and separation of powers at IDP. Her professional background includes strategic positions in federal environmental governance, having served as Chief of the National Attorney’s Office for Climate and Environmental Defense at AGU, Chief Attorney of the Brazilian Institute of the Environment and Renewable Natural Resources (IBAMA), and Head of the Center for Legal Studies at the Office of the President of Brazil.

Research interests

• Climate litigation
• Climate change and environmental legislation
• Climate justice 
• Socioenvironmental Emergencies 
• Environmental governance
• Climate Structural litigation