top of page
Experienced Public Interest Environmental Litigator
Home: Welcome


Specializing in enforcing the Clean Air Act and Clean Water Act.


Extensive experience litigating cases on behalf of communities exposed to toxic chemicals.


Expertise representing communities in energy regulatory proceedings including California Public Utilities Commission practice.


Accomplished litigator representing clients to address deceptive corporate environmental marketing claims on consumer products.

Home: Practices


Williams Environmental Law is a public interest environmental firm committed to representing communities burdened by industrial and agricultural pollution, particularly in California’s Central Valley.  We also represent clients concerned with corporate greenwashing of consumer products to combat deceptive environmental, health, and organic marketing claims.  


Lucas Williams has over a decade of experience litigating environmental cases. Lucas has devoted his entire career to representing low income communities of color and nonprofit groups in fighting for environmental justice and democracy.  In 2009, Lucas began his career at the Environmental Law and Justice Clinic at Golden Gate University School of Law, where he litigated cases under the Clean Air Act and CEQA, and represented clients in proceedings before the California Public Utilities Commission and California Energy Commission.  In 2012, Lucas joined the Lexington Law Group (“LLG”), a public interest environmental and consumer protection firm.  At LLG, Lucas represented nonprofit groups and communities that were exposed to highly toxic chemicals, and litigated consumer protection class actions challenging the “green washing” of consumer products.  Lucas formed Williams Environmental Law in early 2020, 

Home: About


2030 Addison Street, Suite 410
Berkeley, CA 94704

(510) 548-2060

Thanks for submitting!

Home: Contact
bottom of page