Bruchou & Funes de Rioja‘s dedicated environmental law team works closely with partners in other related practice areas, including mining, energy, capital markets, administrative law and litigation, to provide comprehensive advice on environmental conflicts and litigation, environmental regulation and compliance, permitting, the environmental aspects of M&A and green financing deals. The practice is co-headed by Sergio Arbeleche, who has a mining background and extensive experience handling environmental law matters, and Sebastian Vedoya, a specialist in environmental matters related to mining and hydrocarbon projects. The leadership is backed up by support from senior associate and ‘expert consultant’ Pablo Crimer, who leads the firm’s recently launched ESG platform for climate action and sustainable businesses. The team can also call on administrative and public law partner Juan Zocca for senior input when required.

Estudio Gabriel Macchiavello is a specialist environmental law boutique with a strong track record in handling environmental disputes, representing clients in lawsuits and administrative procedures related to collective damages, mass toxic torts, environmental damages, remediation and the recovery of damages. The team is also regularly sought out for support on technical environmental standards and regulations, compliance, permitting, legal audits and insurance, as well as the environmental aspects of transactional work. The practice benefits from a deep bench of specialist, senior talent. Managing partner Hugo Bunge Guerrico has a formidable environmental disputes and litigation practice, and is supported by partners Pedro Zambrano (environmental disputes and regulation); Juliana Salvucci (toxic torts); Belén Counduros (complex soil and groundwater remediation processes) and Ramon Santamarina (insurance and reinsurance for environmental liability, transport and environmental damage). Further partner-level experience is provided by Andrea Gonda (environmental audits) and Florencia Borsani (administrative law and environmental disputes).

Marval O’Farrell Mairal is known for its work on sensitive, high-stakes environmental matters and is also sought out for support on environmental regulation, due diligence and the environmental aspects of M&A. The practice is particularly strong in environmental litigation and is currently involved in some of Argentina’s largest environmental claims pending before the Argentine Supreme Court, as well as local and federal courts throughout the country. Criminal cases related to environmental matters are also covered. Well-known oil and gas lawyer Francisco Macías is the practice head and has worked on high-profile environmental claims, particularly in the energy and natural resources sector, for more than two decades. Senior associates Gabriel Fortuna and Jimena Montoya have active environmental law practices and provide further support.

Environmental law boutique Venditti Hierro Quinteros supports domestic and international clients with advice on environmental liability risk assessments, regulation, contractual issues and representation before administrative agencies, as well as on project approvals and permits. Environmental audits, compliance and due diligence are additional areas of activity, with the team also experienced when it comes to handling environmental damage claims and toxic tort actions. The practice is jointly led by María Magdalena Venditti, an expert in environmental remediation processes and contracts with complex environmental issues, Mariana Hierro, who handles complex environmental litigation and has deep oil-and-gas industry experience, and Lucía Sesto, who is sought out for advice on environmental audits and administrative sanctions procedures.

Allende & Brea draws on expertise from its public law, compliance and mining practices to provide an integrated approach to environmental law that is focused on embedding sustainability into client operations and managing long-term environmental risk and impact. The team advises on compliance with Argentine environmental legislation, including obtaining permits, environmental legal audits, implementation of management systems, risk management and environmental liabilities. Transactional work is taken on too, with due diligence for M&A and project finance deals being particularly busy areas. The team also represents clients in individual and collective environmental litigation and environmental administrative proceedings and is particularly well known for its corporate governance and anti-corruption work. The practice is jointly led by Florencia Heredia, a renowned natural resources and mining lawyer, and María Morena Del Río, who specialises in environmental and administrative law. Senior associate Martín Alejo Prieto handles individual and collective environmental disputes and litigation and also advises on environmental law compliance.

Brons & Salas takes a multi-disciplinary approach to environmental law advisory work, combining its legal expertise in environmental due diligence and compliance with input from an in-house technical team of engineers and health and safety professionals. The team is sought out for advice on the environmental law aspects of transactions and brings together expertise from its energy and mining practices to provide clients with comprehensive counsel on regulatory matters. Experienced litigation lawyer Guillermo Malm Green leads the practice and is well-versed in the environmental aspects of M&A deals, as well as environmental-related disputes. He is supported by experienced senior Maria Agostina Mandrini, who covers environmental litigation, compliance, audit and remediation matters.

Nicholson y Cano Abogados is recognised for its outstanding environmental litigation expertise, environmental legal compliance audits and preventive legal advice on environmental issues. The firm advises clients across multiple industries on the environmental aspects of their operations and has built an impressive reputation for handling sensitive environmental cases before the Federal Supreme Court, defending large domestic and multinational companies in high-value remediation claims and class actions. The practice is led by the influential Horacio Payá, an industry reference who has been practising environmental law since the 1990s. He is supported by public law partner Martín Rodriguez, who has an active environmental law practice and extensive litigation experience.

Pérez Alati, Grondona, Benites & Arntsen is well known for its work with not-for-profit conservation organisations, and for bringing together public and private sector stakeholders to enhance regulatory protections and frameworks for the country’s National Parks and other natural spaces. The team handles environmental compliance, regulatory matters, administrative proceedings and litigation, and is particularly strong in remediation cases and environmental impact assessments. The practice also advises on the carbon bond market. Nicole Jaureguiberry, previously general counsel for Argentina’s National Parks Service, leads the team and is well-versed in all aspects of environmental law, particularly in matters related to environmental regulation and natural protected areas.

Baker McKenzie‘s environmental law practice draws on expertise from the firm’s public law, M&A, dispute resolution and natural resources teams to provide comprehensive coverage of complex environmental class action lawsuits, environmental compliance matters, environmental liability issues related to industrial sites and proceedings before environmental authorities and regulators. The environmental aspects of international deals are another area of focus, with the firm leveraging its international network to provide guidance on global environmental regulation, including global warming and carbon credits. The practice is led by established dispute resolution lawyer Santiago Maqueda and experienced energy, mining and infrastructure lawyer Ezequiel Artola.

Beccar Varela is sought out for its detailed knowledge of the environmental regulatory and permitting framework in Argentina, as well as its expertise in environmental compliance and mitigating and preventing risk arising from disputes involving waste management, contamination, clean ups and sensitive indigenous community issues. Green finance and environmental due diligence are covered too, with climate change compliance and tracking key environmental bills and proposals among the other services provided. Environmental law and climate change expert Manuel Frávega has worked in industry and as a regulator previously and brings broad experience to the table as practice head. Associate Florencia Marcelli (environmental law and climate change) and Camila Caballero provide further backup.

Bomchil is best known for handling complex litigation related to transnational environmental matters, involving both public and private parties. The team advises companies across a wide range of sectors, including mining and energy, and also takes on class action work. The incorporation of partner Cristian Galansky, who has a strong roster of natural resources and hydrocarbon clients, has raised the firm’s environmental law profile. He co-leads the practice alongside experienced administrative law and international arbitration practitioner María Inés Corrá.

Boutique firm Franco Abogados focuses on environmental and safety measures and handles environmental audits, administrative matters, litigation and training programmes. The practice is particularly strong in handling contentious matters related to reparatory and criminal actions. The team is led by founding partner and environmental law expert Horacio Franco.

O'Farrell‘s environmental law practice is closely integrated with the firm’s public law, energy and dispute resolution teams, and focuses on advising clients in the energy, mining, electricity and telecoms sectors on the environmental aspects of their operations. Land remediation, visual contamination and non-ionising radiation from telecoms antennae networks are among the department’s areas of expertise, with support on contentious environmental law disputes also offered. The practice is led by public law and regulatory specialist Jorge Muratorio. Agustina Fanelli Evans (regulation and public law) and Agustín Siboldi (oil and gas and power) are available to provide additional partner-level support.

Pozo Gowland Abogados leverages its significant energy sector expertise to support clients in the electricity and oil and gas sectors in high-stakes environmental damage litigation, as well as to advise on environmental regulation and compliance. Veteran litigator Gustavo Campobassi and dispute resolution all-rounder María Rossi co-lead the team.

Tanoira Cassagne Abogados specialises in complex environmental lawsuits and provides advice on the environmental impacts of public infrastructure projects. The practice is co-led by Bernardo Cassagne, who handles high-profile environmental lawsuits and disputes, and Ignacio Gonzalez Zambón, who focuses on advising clients on regulatory matters and administrative and environmental law. He also provides day-to-day support on environmental matters and provides counsel on the legal frameworks for green bonds.