Christopher Jensen

Christopher D. Jensen


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Environmental and Natural Resources
Environmental and Natural Resources
San Francisco

Chris’s practice focuses on helping clients resolve environmental disputes and advising clients regarding the host of environmental laws and regulations that apply to businesses and public entities operating in California and throughout the United States. Chris represents manufacturers, transportation and logistics companies, property owners, and public entities, as well as other businesses, and provides advice regarding a wide range of state and federal environmental laws, including:

  • the Clean Air Act;
  • CEQA and NEPA;
  • the Clean Water Act and the Porter-Cologne Act;
  • CERCLA, RCRA and other hazardous waste laws;
  • the California Global Warming Solutions Act (AB 32); and
  • Proposition 65.

Chris represents clients in regulatory proceedings involving the U.S. EPA, the California Department of Toxic Substance Control (DTSC), the California Regional Water Quality Control Boards, the California Air Resources Board (CARB), local air pollution control districts and the San Francisco Bay Conservation and Development Commission (BCDC). Chris also has extensive experience litigating toxic tort claims, real property disputes and environmental cost recovery claims.

Prior to attending law school, Chris earned a Master's Degree in Atmospheric Science from the Massachusetts Institute of Technology and worked for a national environmental consulting firm.

Representative Work

Represents international chemical manufacturer in Clean Air Act rulemaking proceeding and in judicial review of hazardous air pollutant emission standards.

Represented food manufacturer in connection with regulatory investigations and private party litigation following an anhydrous ammonia release.

Serves as environmental counsel to the Golden Gate Bridge, Highway and Transportation District.

Provides legal and strategic advice to major chemical manufacturer in connection with the remediation of Superfund site under U.S. EPA supervision.

Obtained attorneys’ fees and injunctive relief requiring neighboring landowner to clean up solvent plume impacting a property owned by a Catholic religious order.

Assisted food manufacturer in resolving alleged violations of CARB’s Refrigerant Management Program.

Published Decisions

Colyear v. Rolling Hills Community Association Of Rancho Palos Verdes et al. (2017)

Sunnyvale West Neighborhood Association v. City of Sunnyvale City Counsel, 190 Cal. App. 4th 1351 (2010)

Communities for a Better Environment v. State Water Resources Control Board, 109 Cal. App. 4th 1089 (2003)


"CARB Approves New Emissions Regulations," author, Environmental Law Alert (March 2017)

"EPA Ordered to Review Hazardous Air Pollutant Rules," author, Environmental Law Alert (March 2017)

"Trump Administration Signals Intent to Roll Back Federal Jurisdiction over Wetlands and Intermittent Streams," author, Environmental & Natural Resources Alert (March 2017)

"Ninth Circuit Upholds Environmental Review of Downtown LA 'Regional Connector' Subway Project," co-author, Public Transit & Transportation Alert (December 2016)

"New Truck Emission Rules Offer Advantages And Obstacles," author, Law360 (August 2016)

"Federal Agencies Finalize New "Phase 2" Greenhouse Gas Emission Standards for Medium- and Heavy-Duty Vehicles," author, Environmental & Natural Resources Alert (August 2016)

"New Regulations Proposed for TRUs," co-author, Transportation & Logistics Alert (May 2016)

"California Regulators Prepare New Plan to Tighten Greenhouse Gas Emission Limits for Freight Industry", co-author, Transportation Law Alert (May 2016)

"U.S. Department of Justice Announces Elder Justice Task Force," co-author, Litigation & Dispute Resolution Alert (April 2016)

"The first stage in bringing Volkswagen to justice?" co-author, Daily Journal (January 2016)

"Criminal VW case may get messy," co-author, Daily Journal (October 2015)

"EPA Announces Proposed Rule on Pharmaceutical Hazardous Waste," co-author, Environmental Law Alert (September 2015)

"California's climate change adaptation strategy: Is CEQA a good fit?" Westlaw Journal - Environment (September 2015)

"Supreme Court Leaves Ninth Circuit Permit Shield Ruling in Place," Environmental Law Alert (June 2015)

"Double Whammy for Fuel Suppliers," co-author, Daily Journal (December 2014)

"DTSC Work Plan Signals Expanded Green Chemistry Program," co-author, Law360 (October 2014)

"A Case for Objectivity in Internal Investigations – Lessons Learned from GM," co-author, Corporate Counsel (May 2014)

"EPA Knows Which Way the Wind Blows," co-author, Daily Journal (May 2014)

"Frac Sites Facing Increased Scrutiny," co-author, American Oil & Gas Reporter (January 2014)

"Why Exxon Case Will Likely Become a Plaintiff Favorite," co-author, Law360 (November 2013)

"A Powerful New Tool for Brownfield Cleanup," co-author, Daily Journal (October 2013)

"Chemical Spills in NC and WV Spur Legislation," co-author, Today's Facility Manager (March 2013)

"Congress Missing in Action as Courts Back Clean Air Act Curbs on Emissions," co-author, World Climate Change Report (August 2012)

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Blog Posts

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"Permitting Dredging Projects," co-speaker, Dredging 101 Seminar (September 2015)

See All Presentations


Wiley W. Manuel Award for Pro Bono Legal Services (2008)

Professional Affiliations

Bar Association of San Francisco

Judicial Clerkships

Law Clerk to the Honorable Marilyn Hall Patel, U.S. District Court, Northern District of California


J.D., Order of the Coif, Stanford Law School (2004)

S.M., Massachusetts Institute of Technology (1999)

B.A., With Highest Honors and Highest Departmental Distinction, University of California, San Diego (1996)

Admissions And Courts


U.S. Court of Appeals for the Ninth Circuit

U.S. Court of Appeals for the District of Columbia Circuit

U.S. District Court for the Central District of California

U.S. District Court for the Eastern District of California

U.S. District Court for the Northern District of California

San Francisco

415-995-5830 Direct Phone
415-995-3554 Fax

Email Attorney


Firm Leadership

Air Quality Practice Leader

Pro Bono Committee