“Should we tinker with plant genes?” New York Times. Letter to the Editor, signed by Dena Hoff, Vice President of the National Family Farm Coalition. 24 May 2010.
“Violence, Mutiny and Environmental Pillage in the Amazon.” Center for the Study of the Americas. October 14, 2008.
“When Renewable Isn’t Sustainable: Agrofuels and the Inconvenient Truths Behind the 2007 U.S. Energy Independence and Security Act.” With Eric Holt-Giménez, PhD. Food First! Institute for Food and Development Policy. March 2008.
California’s New Green Revolution: Pioneers in Sustainable Agriculture. With Dr. Desmond Jolly. University of California Small Farm Center. Davis, California. 2008.
“Taking on Big Cellulose: Brazilian Indigenous Communities Reclaim Their Land.” North American Congress on Latin America. November 26, 2007.
“Monsanto’s Seeds of Corruption in Brazil.” North American Congress on Latin America. September 4, 2007.
Further examples provided by request