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Op-Eds & Commentaries

Great Lakes States’ Biggest Water Worries Much Closer to Home than Arid Southwest, Crain’s Chicago Business, September 26, 2019.

The Legacy of John Wesley Powell, essay “The Legacy of John Wesley Powell” in “Vision and Place,” Jason Robison, ed. (forthcoming 2020)., quoted in “Desert Farmers Trade Water For Cash as the Colorado River Falls,” by Luke McGrath, Bloomberg, August 15, 2019., Arizona Daily Star, July 22, 2019. – Scientific American, June 26, 2019.

The Genius of Toilet to Tap, Los Angeles Times, March 5, 2019.

“Here and Now”, NPR Interview, January 2019.

The BuzzArizona Public Media.  Interview at 17:20.  This episode is about Arizona’s Colorado River rights and the State’s Drought Conservation Plan, January 24, 2019.

Foreword – Water Exchanges: Arizona’s Most Recent Innovation in Water Law and Policy,” Arizona Journal of Environmental Law & Policy, Summer 2018.

Does Arizona Have Enough Water? Arizona Republic, April 8, 2018.
6 Innovative Water Policies that helped Arizona grow during a droughtArizona Republic, April 10, 2018.
A Stumble, A Failure in Water ManagementArizona Republic, April 18, 2018.

“Craft” Beer Turns Out to be a Big BusinessThe Wall Street Journal, April 1, 2018.

Three Authors See Water, Water Everywhere, For Better and WorseNew York Times Book Review, March 30, 2018.

Could Craft Breweries Help Lead the Way in Water Conservation?Pacific Standard, January 2, 2018.

How Craft Brewers are Embracing New Water TechnologiesWater Deeply,Dec. 18, 2017.

Challenges to Nestle’s bottled water strategyHuffington Post, Sept. 20, 2017.

The Era of Water Reallocation, Crop Science – Bayer: Science for a Better Life

The Unfolding Tragedy of Climate Change in BangladeshScientific American, April 21, 2017.

“Technology is Cropping Up In Our Lettuce Fields,” High Country News, March 30, 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 TraditionScientific American, August 29, 2016.

Drought should be an ever-present concern, even in wet years (with Samantha Murray),  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?,,Dec. 28, 2015.

Why a Higher Price for Water Makes Sense, GE,Dec. 20, 2015.

To Cut Water Use, Do We Focus on Cities or Farms?, an exchange with Pat O’Toole, #Water Talk, Pro, May 27, 2015.

Should farm communities support water marketsWestern Farm Press,May 8, 2015.

Modernize Irrigation With IncentivesThe 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 UseThe Sacramento Bee,August 24, 2014.

We Need a Water Market in the West and SouthwestThe New York Times, June 30, 2014.

Protecting groundwater is important despite droughtAmerican Public Media’s Marketplace,May 27, 2013.

Lessons from Arizona’s Water WarArizona 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. LandBloomberg Businessweek, Debate Room, December 2, 2011.

Save Habitats by Giving More Land to Solar PowerBloomberg Businessweek, September 6, 2011.

Volume-Based Water Rates Send Mixed Conservation MessagesGlobal Water Forum, December 2010.

Let’s Price Water SensiblyCurrents,October 2010.

Glue Traps Can Lure Innocents Like Screech Owls, Cactus WrensArizona Daily Star, April 21, 2010.

Occasional blogger, The Huffington Post.

When Renewable Is Not SustainableIn 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 FactorArizona Republic, August 11, 2009.

 Is Solar Power Dead in the Water?The Washington Post, June 7, 2009