Robert A. Wyman, Jr.

  • Partner
  • 355 South Grand Avenue, Suite 100
  • Los Angeles, CA 90071-1560
  • USA
  • T +1.213.891.8346
  • 555 Eleventh Street, NW
  • Suite 1000
  • Washington, D.C. 20004-1304
  • USA
  • T +1.202.654.7119


Bob Wyman is a partner in the Los Angeles and Washington, D.C. offices of Latham & Watkins and is a member of the Environmental Litigation and Regulation & Transactions Practices. Mr. Wyman formerly served as the Global Chair of the Environment, Land & Resources Department and Co-Chair of the Air Quality & Climate Change Practice.

Mr. Wyman’s regulatory and public policy practice includes:

  • Air quality
  • Cleantech and renewable energy
  • Climate change 
  • Energy
  • Transportation

Mr. Wyman’s litigation practice includes:

  • Civil and criminal enforcement defense 
  • Defense of citizen suits (e.g., under the Clean Air Act, CEQA)
  • Direct review of administrative agency actions in federal and state courts 

Mr. Wyman writes and speaks extensively in the areas of air quality, cleantech and renewable energy, climate change, corporate disclosure, corporate civil and criminal liability, and sustainability, among other topics.

Mr. Wyman was recognized as a leading environmental lawyer by the following publications:

  • Thought Leader – Global Elite for Climate Change by Who’s Who Legal 2020
  • Lawyer of the Year by Best Lawyers Los Angeles Litigation - Environmental (2013 & 2019) 
  • Selected as one of the decade's three most influential lawyers in the area of Energy and the Environment by the National Law Journal's Most Influential Lawyers Special Report (2010) 
  • Highly Recommended by Euromoney/Legal Media Group’s inaugural Clean Technology and Renewable Energy Guide (2013)
  • Band 1 Chambers USA California Environmental attorney ranking for each year (2004-2018) 
  • Band 1 Chambers USA (Climate); Band 2 Chambers Global (Climate)
  • A Top 50 Lawyer in LA by the Los Angeles Business Journal
  • California’s Environmental Law Dream Team by the California Lawyer
  • Ethisphere’s Attorneys Who Matter (2009)

Watch this video to learn more about
the Environment, Land & Resources Department


Project and Enforcement Defense – Mr. Wyman defends industry clients against government and citizen enforcement actions and before all levels of government on a variety of matters, including permitting, variances, and agency rulemaking. Among several Clean Air Act litigations, Mr. Wyman successfully defended a US$1 billion power plant against a citizen suit challenge in the US District Court and Ninth Circuit Court of Appeals (Romoland et al v. SCAQMD, in which the Ninth Circuit first addressed proper venue for challenging a “merged” Clean Air Act Title V permit).

Cleantech Monetizing Strategies – Mr. Wyman has designed several market-based and innovative programs under the Clean Air Act, including the South Coast Regional Clean Air Incentives Market (RECLAIM) and air quality investment program (AQIP), EPA’s clean air communities program, vehicle pricing and investment strategies (COALESCE), forward-crediting cleantech strategies (California Climate Coalition), and the clean air investment fund (contained in President Clinton’s Directive to EPA regarding ozone and fine particulate standards).

Some of Mr. Wyman’s current and recent representations include:

  • ADT in defense of the California Attorney General and certain district attorneys related to electronic waste allegations
  • Arctic Cat in defense of US EPA enforcement of Clean Air Act engine and vehicle certification requirements
  • Boeing on the US implementation of the International Civil Aviation Organization (ICAO) agreements to regulate aircraft greenhouse gas (GHG) emissions
  • California utilities, refiners, manufacturers, credit brokers, and financiers in defending California’s AB32 cap-and-trade offset program against citizen challenge
  • Chevron in the implementation and defense of various SCAQMD and CARB regulations
  • Southern California Edison Company in defense of California Air Resources Board allegations related to its GHG cap-and-trade auction requirements
  • Southern California Gas Company in defense of agency actions related to the Aliso Canyon natural gas leak
  • National Climate Coalition on EPA regulation of greenhouse gases under the Clean Air Act
  • California Climate Coalition on California’s Global Warming Solutions Act of 2006 (AB 32)
  • National Coalition for Advanced Transportation (NCAT) on US and California motor vehicle emission and fuel economy standards
  • Regulatory Flexibility Group on Clean Air Act ozone and particulate matter nonattainment matters, including emissions trading and permitting
  • Various traditional and renewable energy clients and manufacturers in strategic planning, permitting, and project defense

Mr. Wyman has represented clients before Congress, the White House, the EPA, DOE, and DOT regarding federal legislation, including the 1990 Clean Air Act Amendments as well as on various air quality-related provisions of transportation and energy legislation. He currently serves and has served on the US EPA Clean Air Act Advisory Committee during all but six of its 28 years, and has chaired several of its subcommittees and work groups.

Mr. Wyman recently served as Secretary for the American College of Environmental Lawyers.

Thought Leadership

  • 6 Things to Know about EPA’s Final ACE Rule -  June 21, 2019
  • Proposed Amendments to Cap-and-Trade Extension Bill Could Undermine Program -  April 25, 2017
  • President Trump Takes First Step on Long Road to Roll Back Climate Rules -  April 05, 2017
  • Clean Energy Blog: EPA Targets Oil and Gas Sector with Suite of New Emissions Rules  -  May 31, 2016
  • What Does COP-21 Mean for Business? -  February 01, 2016
  • EPA Expands Air Quality and Climate Change Regulations -  October 08, 2015
  • EPA Proposes New Methane and VOC Emissions Limits -  October 1, 2015
  • EPA Finalizes Historic Greenhouse Gas Emission Reduction Program -  August 18, 2015
  • Overview: EPA Finalizes Historic Greenhouse Gas Emission Reduction Program -  August 18, 2015
  • Climate Regulation 2014: United States -  September 01, 2014
  • New Wave of State Law Air Pollution Torts? -  August 18, 2014
  • EPA Proposes Unprecedented Greenhouse Gas Emission Reduction Program  -  June 6, 2014
  • Beyond Policy: How Climate Science is Changing Law and Business -  June 02, 2014
  • Pacific Coast Climate Plan: Ambitious But Prone to Issues -  November 15, 2013
  • EPA Proposes New Greenhouse Gas Performance Standards for New Power Plants -  September 27, 2013
  • President Obama Directs EPA to Regulate Carbon Emissions Under Clean Air Act -  July 01, 2013
  • Fifth Circuit Shuts Down Climate Tort Plaintiffs Again -  May 20, 2013
  • Video: Robert Wyman Talks About the Environment, Land & Resources Department -  November 09, 2012
  • Getting the Deal Through – Climate Regulation 2013: United States -  November 01, 2012
  • The California Energy Commission Abruptly Suspends Eligibility of Biomethane Under California’s Renewables Portfolio Standard -  April 16, 2012
  • EPA Proposes Greenhouse Gas Performance Standards for New Fossil Fuel-Fired Power Plants -  April 05, 2012
  • Climate Regulation 2012 -  January 1, 2012
  • 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 -  May 24, 2011
  • Despite Litigation Roadblock, California Pushes Ahead With Cap and Trade Implementation -  April 26, 2011
  • EPA’s PSD and Title V Permitting Guidance for Greenhouse Gases: Overview and Analysis -  December 3, 2010
  • SEC Issues Interpretive Guidance on Disclosure of “Business or Legal Developments Regarding Climate Change” -  February 10, 2010
  • EPA Proposes to Tailor Application of PSD and Title V to GHG Emissions from Stationary Sources -  November 9, 2009
  • Key Senate Developments for Climate Change and Clean Energy Legislation -  October 14, 2009
  • Significant Climate Issues Likely to Be Raised in the Federal Courts -  October 1, 2009
  • American Clean Energy and Security Act of 2009: Update on the Waxman-Markey Climate Change and Clean Energy Legislation -  June 15, 2009
  • Key Provisions of the Waxman-Markey Climate Change and Clean Energy Legislation Discussion Draft -  April 22, 2009
  • Understanding California’s Draft AB 32 Road Map: Overview and Recommendations for Improvement -  July 28, 2008
  • California Legislature Approves the “California Global Warming Solutions Act of 2006;” Schwarzenegger Announces Intent to Sign -  September 5, 2006
  • Climate Change Regulatory Developments in California -  March 8, 2006


  • EPA Regulation of GHGs Under the Clean Air Act: EPA's ANPR -  July 30, 2008
Recognized as “brilliant and thinks of creative ways to move a business forward to address climate change issues.”Chambers USA 2019
Bar Qualification
  • California
  • District of Columbia
  • JD, University of Virginia School of Law, 1980
  • BA, Princeton University, 1976
  • Aerospace, Defense & Government Services
  • Cleantech
  • Oil & Gas
  • Power
  • Industrials & Manufacturing
  • Environmental Litigation
  • Environment, Land & Resources
  • Project Siting & Approvals