"Extreme heat and droughts–a recipe for world food woes." Op-Ed for CNN.com. August 13, 2012.

"A Hotter Planet Doesn’t Have to Be Hungrier" Op-Ed for Bloomberg View and Businessweek. August 22, 2011.

"Could Farms Survive Without Illegal Labor?" New York Times Room for Debate. August 18, 2011.

"Is the World Producing Enough Food?" New York Times Room for Debate. February 15, 2011.

"Can Biotech Food Cure World Hunger?" New York Times Room for Debate. October 26, 2009.

"The Implications of Climate Change on Food Crops." The ePerspective from Food Technology Magazine. September 22, 2009.

"Food Prices: Myth vs. Reality." New York Times Room for Debate. May 16, 2009.

"Why Are Food Prices Going Up?" NC State Economist, November/December 2008.

"The Benefits of Anticipating Direct and Indirect Implications of Global Warming." Expert opinion about the implications of climate change on North Carolina as requested by University of North Carolina Tomorrow. November 2008.

G-FEED: "New Journal: Economics of Disasters and Climate Change" December 29, 2016.

UHERO: "What a Difference a Rate Makes." May 3, 2016.

UHERO: "Incentives for the Utility." February 26, 2016.

UHERO: "Embrace Policy Experiments." February 25, 2016.

UHERO: "Four Years to Improve Renewable Energy." February 24, 2016.

UHERO: "Research Driven Energy Policy." November 5, 2015.

G-FEED: "Why Science for Climate Adaptation is Difficult" August 4, 2015.

UHERO: "Net Metering Agreements in Hawai‘i." July 20, 2015.

G-FEED: "Adaptation with an Envelope" June 5, 2014.

UHERO: "Managing a Grid with Green Energy." April 21, 2014.

UHERO: "The Costs and Benefits of Installing Solar PV." April 7, 2014.

UHERO: "Why are Hawai‘i’s Electricity Prices So High?" April 2, 2014.

G-FEED: "Crop Insurance Under Climate Change" August 6, 2013.

G-FEED: "Commodity Speculation or Market Power" July 23, 2013.

G-FEED: "Taking Action on Climate Change" June 26, 2013.