Could Craft Breweries Help Lead the Way in Water Conservation?, Pacific Standard, January 2, 2018.
How Craft Brewers are Embracing New Water Technologies, Water Deeply, Dec. 18, 2017.
The Unfolding Tragedy of Climate Change in Bangladesh, Scientific American, April 21, 2017.
The Future of Farming in a Warming, Water-Stressed World, F@rmletter (December 2016)
Desalination Versus Duct Tape: (Dis)Incentives to Securing Water Supplies, American Water Works Association (September 2016).
A Problem of Math, Grand Canyon Trust’s Advocate (Spring/Summer 2016).
America’s Water Supply: The Corrosion of a Proud Tradition, Scientific American (August 29, 2016).
Drought should be an ever-present concern, even in wet years (with Samantha Murray), Portland, OR Bizjournals Portland, OR (April 28, 2016).
Our turn: 2 bills undermine Arizona’s water supply (with John Leshy), Arizona Republic (February 23, 2016).
Can the Planet Be Saved?, TheAtlantic.com (Dec. 28, 2015).
Why a Higher Price for Water Makes Sense, GE Report.com (Dec. 20, 2015).
To Cut Water Use, Do We Focus on Cities or Farms?, an exchange with Pat O’Toole, #Water Talk, Pro Publica.org (May 27, 2015).
Should farm communities support water markets? Western Farm Press (May 8, 2015).
Modernize Irrigation With Incentives, The New York Times (April 7, 2015).
The West Needs a Water Market to Fight Drought (with Gary Libecap), The Wall Street Journal (October 23, 2014).
Sensible Tiered Water Rates Needed to Curb Use, The Sacramento Bee (August 24, 2014).
We Need a Water Market in the West and Southwest, The New York Times (June 30, 2014).
Protecting groundwater is important despite drought, American Public Media’s Marketplace (May 27, 2013).
Lessons from Arizona’s Water War, Arizona Republic (May 24, 2013).
Protect Great Lakes with Tighter Groundwater Pumping Limits, Detroit Free Press (February 7, 2013).
West Must Strive for Water Sustainability (with Peter Culp), Arizona Republic (January 7, 2013).
Parched in the West but Shipping Water to China, Bale by Bale (with Peter Culp) The Wall Street Journal (January 7, 2013).
Solar Energy Plants Deserve More U.S. Land, Bloomberg Businessweek, Debate Room (December 2, 2011).
Save Habitats by Giving More Land to Solar Power, Bloomberg Businessweek (September 6, 2011).
Volume-Based Water Rates Send Mixed Conservation Messages, Global Water Forum (December 2010).
Let’s Price Water Sensibly, Currents (October 2010).
Glue Traps Can Lure Innocents Like Screech Owls, Cactus Wrens, Arizona Daily Star (April 21, 2010).
Occasional blogger, The Huffington Post.
When Renewable Is Not Sustainable, In These Times (September 10, 2009).
America’s Water Crisis and What To Do About It, Environmental Law Institute, The Environmental Forum (September/October, 2009).
Water is a Resource with Financial and Economic Value, Arizona Daily Star (August 30, 2009).
U.S. Must Rethink Policies on Water Supply, The Washington Post (August 23, 2009).
Arizona’s Precious Water Factor, Arizona Republic (August 11, 2009).
Is Solar Power Dead in the Water?, The Washington Post (June 7, 2009).