“2018 Bipartisan Budget Act Extends (Some) Tax Credits,” Biocycle (March/April 2018)

“Will the Tax Cuts Act Cut Back Renewable Energy?,” Biocycle (February 2018)

“Is EPA Becoming A Banana-Republic Agency?,” [EPA Alumni Transition Journal] (30 December 2017)

“Life in a Washing Machine,” Biocycle (September 2017)

“AD Prospects - Not As Bad As You Hear,” Biocycle (May 2017)

“Nutrient Credit Procurement Update,” Biocycle (February 2017)

“The U.S. Regulatory Process In Environmental Protection: A Half Century of Progress Supplemental Report” (February 2017)

“Lessons From the Birth of Emissions Trading, Part II: Is Nutrient Trading Poised for a Surge?,” Biocycle (June 2016)

“Lessons From the Birth of Emissions Trading, Part I,” Biocycle (May 2016)

“Tax Credits Extended,” Biocycle (January 2016)

“Roots and Branches: Lessons From Early Emissions Trading,” Presentation to Chesapeake Bay Program Trading & Offsets Work Group (December 2015)

"Getting Renewable Energy Projects Done In Still Tougher Times," Biocycle (February 2015)

"Getting Renewable Energy Projects Done In Tough Times," Biocycle (September 2013)

"The Story of Chevron: Environmental Law and Administrative Discretion," in Environmental Law Stories (2005)

"What You Can Do If You Don't Have Cash--Financing Environmental Compliance," BNA Env. Reporter (1994)

"Discovery & Disclosure: How to Protect Your Environmental Audit Report," BNA Env. Reporter (1994)

"Liability Without End? Consultants, Contracts, and the Limits of Environmental Responsibility," BNA Env. Reporter (1993)

"Implementing Incentives: Experience and Expectations," from The Environmental Challenges of the 1990s: Proceedings of International Conference on Pollution Prevention (EPA, June 1990)

"Bubbles and Barriers," The Environmental Forum (May 1988)

"Building a Better Bubble at EPA," Regulation Magazine (March 1985)

"Getting There: Implementing the Bubble Policy," in Social Responsibility: Strategies for Reform, Institute for Contemporary Studies (1982)