Aron Potash

  • Counsel
  • 355 South Grand Avenue, Suite 100
  • Los Angeles, CA 90071-1560
  • USA
  • T +1.213.891.8758


Aron Potash is counsel in the Los Angeles office of Latham & Watkins, where he has practiced since 2007. Mr. Potash’s practice focuses on environmental law, with a special emphasis on air quality and climate change matters. He handles regulatory, transactional, and litigation matters.

Mr. Potash represents clients in:

  • Permitting, compliance counselling, variances, and enforcement defense
  • Transferring, financing, siting, and developing properties and facilities
  • Assessment and remediation of contaminated sites
  • Agency rulemaking
  • Disputes involving environmental matters and claims

Mr. Potash represents domestic and international businesses, including many in the petrochemical, energy, cleantech, manufacturing, REIT, and pharmaceutical sectors.


Mr. Potash’s experience includes handling matters arising under the Clean Air Act, state and regional air quality regulations, the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) and state analogues, the Resource Conservation and Recovery Act (RCRA), the Clean Water Act, and the California Environmental Quality Act.

Mr. Potash has represented clients before the South Coast Air Quality Management District, other air districts in California, the California Air Resources Board, and the United States Environmental Protection Agency. He has broad experience dealing with permitting matters, variances, and the defense of enforcement actions such as orders for abatement. His practice also involves counseling clients as to compliance with local, state, and federal environmental laws. He assists clients with assessing and optimizing EH&S compliance systems.

Mr. Potash has advised clients on climate change legislation and rulemaking, assisting in the representation of a coalition of businesses in the aerospace, automotive, electric power generation, and petrochemical sectors on the implementation of the California Global Warming Solutions Act of 2006 (AB 32) and the Western Climate Initiative. He represented California utilities, refiners, manufacturers, credit brokers and financiers in defending California’s AB 32 cap-and-trade offset program against citizen challenge.

Mr. Potash’s experience includes the assessment and remediation of contaminated sites. He has worked on multiparty Superfund sites as well as sites under the jurisdiction of the California Department of Toxic Substances Control and Regional Water Quality Control Boards.

Mr. Potash also assists private equity firms and investment banks with environmental matters connected to M&A deals, financings, and other transactions. He is experienced in evaluating environmental liabilities, negotiating environmental agreements for business transactions, and formulating and implementing environmental risk transfer strategies.

Thought Leadership

  • Southern California’s Once Groundbreaking Cap and Trade Program is Now Riding Towards the Sunset -  10 January 2018
  • The Oft-Overlooked Importance of Air Emission Credits in Mergers and Acquisitions -  03 July 2015
  • Don’t Skip the Air Emission Credits in M&A -  31 March 2015
  • Don’t Skip the Credits: The Oft-Overlooked Importance of Air Emission Credits in Mergers and Acquisitions -  01 March 2015
  • Clean Energy Law Report: California Low Carbon Fuel Standard Overhaul Continues -  07 November 2014
  • Climate Regulation 2014: United States -  01 September 2014
  • New Wave of State Law Air Pollution Torts? -  18 August 2014
  • Clean Energy Law Report: U.S. Supreme Court Allows to Stand Ruling That Sources of Air Pollutants are Subject to State Common Law Tort Claims -  17 June 2014
  • EPA Proposes Unprecedented Greenhouse Gas Emission Reduction Program  -  June 6, 2014
  • California’s LCFS Surviving Challenges As Major Changes Loom -  02 April 2014
  • Australia’s Greenhouse Gas Pricing Law: A Post-Election Primer -  09 September 2013
  • Political Turmoil and the Fate of Australia’s Greenhouse Gas Pricing Scheme -  01 September 2013
  • Clean Energy Law Report: California Appellate Court Signals Low Carbon Fuel Standard Will Remain in Effect Despite CEQA Violation -  10 June 2013
  • Fifth Circuit Shuts Down Climate Tort Plaintiffs Again -  20 May 2013
  • Clean Energy Law Report: Low Carbon Fuel Standard May Have Violated CEQA -  19 March 2013
  • Getting the Deal Through – Climate Regulation 2013: United States -  01 November 2012
  • Climate Regulation 2012 -  January 1, 2012
  • Clean Energy Law Report: Roadblock to Greenhouse Gas Cap and Trade Program Removed -  15 December 2011
  • California’s Cap and Trade Regulation and Renewables Portfolio Standard: Two Significant Regulatory Programs Affecting California’s Electricity Sector -  September 21, 2011
  • Clean Energy Law Report: Greenhouse Gas Market on Hold -  24 May 2011
  • Despite Litigation Roadblock, California Pushes Ahead With Cap and Trade Implementation -  April 26, 2011
  • Clean Energy Law Report: Court Enjoins Implementation of Greenhouse Gas Emissions Reduction Programs -  22 March 2011
  • Clean Energy Law Report: New CAFO Reporting Requirements  -  01 March 2011
  • Understanding California’s Draft AB 32 Road Map: Overview and Recommendations for Improvement -  July 28, 2008
Bar Qualification
  • California
  • JD, The University of Texas School of Law, 2007
  • BS, University of Wisconsin-Madison, 2004
  • Oil & Gas
  • Environment, Land & Resources
  • Environmental Litigation