Tony Silvaggio

Tony Silvaggio - bio photo


Associate Professor, Sociology

Areas of Expertise


Environmental Sociologist whose research focuses on the environmental consequences of prohibition and post prohibition public policy.


See file attached

Grants, Publications, Presentations, and Posters, etc.

Book Chapters

  • 2020 (Forthcoming) Silvaggio, Anthony. “The Environmental Impact of Cannabis 
  • Liberalization: Lessons from California”, in Dominic Corva and Josh Meisel (eds.) The Routledge Handbook of Interdisciplinary Cannabis Research. Routledge. 
  • 2018 Silvaggio, Anthony. “Cannabis Agriculture in California: The Environmental Consequences of Prohibition”, in Char Miller (ed.), Where There’s Smoke: The Environmental Science, Public Policy, and Politics of Marijuana. University of Kansas Press.  
  • 2018    w/ Miller, Char.  “Reading the Tea Leaves: An Afterword”, in Char Miller (ed.) Where There’s Smoke: The Environmental Science, Public Policy, and Politics of Marijuana. University of Kansas Press. 
  • 2018   w/ Escher, E., Kaplan, J., Zender, J. , Meisel, J. and Krissman, F. “Standardized Regulatory Impact Assessment II (SRIA II) Proposed Regulations for Manufacturers of Recreational Cannabis”.  Prepared for the California Department of Public Health. March 23. 
  • 2017   w/ Escher, E., Meisel, J. and Krissman, F. “Standardized Regulatory Impact Assessment (SRIA) Proposed Regulations for Manufacturers of Medical Cannabis”.  Prepared for the California Department of Public Health. 

Scholarly Presentations and Conference Participation

  • 2018  “From Eradication to Propagation. Cannabis and the Environment: Emerging Industry Standards and Best Practices”, International Cannabis Policy Conference, Vienna, Austria. Dec 7.
  • 2018  “Environmental Impacts of Cannabis Legalization: Lessons from California”, Presented at the Cannabis Pracademic Summit, Quebec City, Quebec, Canada. August 22.
  • 2018 “The Environmental Consequences of Prohibition: Cannabis Agriculture in California”Presented at the Institute of Cannabis Research Conference. Pueblo, CO. April, 26
  • 2016 “Prop 64: Unrolling the Issues of Cannabis Legalization”. Presented at Humboldt State University, October 26. 
  • 2016 “Changing Cannabis Legislation and Regulation in California: A Post Prohibition Research Agenda.”  Presented at the closing plenary session of the California Growers Association Summer Recess Policy Summit.  Sacramento, CA. 
  • 2016 “Cannabis and the Environment: Lessons from the Emerald Triangle” Presented at the 11th Annual Sustainable Business Conference, Rohnert Park. April 7. 
  • 2016 “The opportunities and challenges of cannabis research in a post prohibition era.” Presented at the Pacific Sociological Association Annual Conference, San Diego, CA, April 2. 
  • 2015 Silvaggio, Anthony. “Lessons Learned from the Emerald Triangle: Marijuana Cultivation Impacts and Policy-Making” Presented at the American Planning Association Annual Meeting, Oakland, CA, October 5.
  • 2014 “The Culture and Environmental Practices of Cannabis Growers in the Emerald Triangle” Presented at the Environmental Cannabis Forum.  Mateel Community Center. Redway CA, March 8.
  • 2014 “The Environmental Consequences of Prohibition as Coloniality”. Presented at the Pacific Sociological Association Annual Conference, Oakland, CA.
  • 2013 “Economics and Sociology of Marijuana.” Board Symposium on Marijuana. Presented to the California Board of Forestry and Fire Protection. Sacramento, CA, October 8. 
  • 2013 “Confronting the Environmental Problems of Marijuana Agriculture: Strategies and Solutions”. Presented at the Earth Day Symposium on Marijuana and the Environment Conference, Cal Poly Humboldt, April 19-20.
  • 2012 “The Problem and Responses:  Environmental Impacts and the Politics of Cannabis Agriculture”. Presented at the Symposium on Environmental Challenges of Marijuana Agriculture in the Age of Prohibition, Cal Poly Humboldt, October 12. 
  • 2012 “Ecological and Human Health Impacts of the Marijuana Industry in the Emerald Triangle”, Presented at the Symposium on Environmental Impacts of the Marijuana Industry, Cal Poly Humboldt, April 26. 
  • 2012 “The Mythology of the Benign Drug: An Analysis of the Ecological and Human Health Impacts of the Marijuana Industrial Complex.” Presented at the Pacific Sociological Association Annual Conference, San Diego, CA March  2012.
  • 2011 “The Ecological and Human Health Impacts of the Marijuana Industrial Complex.” Presented at the Public Interest Environmental Law Conference, Eugene, OR March 2.
  • 2010 "Environmental Crime and the Marijuana Industrial Complex: Ecology, Public Health and the Question of Prohibition". Presented at the American Criminological Society annual meeting, November, San Francisco, CA. Nov 20. 

Television, Radio and Print Media Interviews and Appearances.

  • 2019 Times Standard “Cannabis Conundrum: Researchers struggling to get their hands on it.” Philip Santos. Feb 28. 
  • 2018 Merry Jane. “Black Market Cannabis Farming in California Puts Wildlife at Risk.” Madison Margolin. Jan 3. 
  • 2017 Cannabis TV. “Environmental Impacts of Industrial Cannabis” Barcelona, Spain. November 3. 
  • 2017  Resistance Radio “Environmental impacts of cannabis agriculture” October 28. 
  • 2017 International France 24 News.  “Not so green: Why cannabis has a hefty carbon footprint.” September 8. 
  • 2016  Vice Media, “How unethical Is Buying Weed” Mike Pearl, June 13.
  • 2016  Mad River Union, “Growers Plunder, Spoil Ecosystems” Paul Mann, March 16, A1.
  • 2016  Mad River Union, “Toxic Medical Marijuana a Neglected Health Risk” Paul Mann, March 16 A4.
  • 2016  KCBS Radio San Francisco, “Impact of new Pesticide Regulations in Colorado’s Cannabis Industry.  February 18.  
  • 2016  KHumboldt Homepage. KHumboldt “Unpacking Cannabis: , February 12. 
  • 2014 “ Pot Farms Are Draining Humboldt Streams Amid Chaos over Marijuana Regulation”. Ken Broder. June 12.
  • 2014  San Jose Mercury News. “Study finds medical pot farms draining California streams dry.” Jason Dearen. June 2.
  • 2014  The Texan Tribune. “Marijuana: A Potential Cash Crop for Texas Farmers?”, Neena Satija. April 2.
  • 2014  The Huffington Post. “This Is Your Wilderness On Drugs: The Environmental Reality Of Pot Farming.” Josh Harkinson. March 19.
  • 2014  Salon “The environmental case for legalizing pot.” Lindsay Abrams March 17.
  • 2014 Matador. “One more reason to end marijuana prohibition: Environmental impact from pot farms.” David Miller. February 24. 
  • 2014 Mint Press News. “More Propaganda: Feds “Concerned” Marijuana Legalization Bad For Environment.” Katie Rucke. February 17.
  • 2014  Quartz. “The US government is helping illegal pot producer destroy California’s water supply.” Gwynn Guilford.” February 13.
  • 2014  Al Jazeera. “Humboldt’s Hippie Growers Lament Environmental Damage by Pot Miners.” Bill Donahue. January 1. 
  • 2013  North Coast Journal . “Probing Pot : Humboldt's marijuana institute tends a new crop of research.” Grant Scott-Goforth December 5
  • 2013  Chico News and Review. “Blame the Policy, Not the Plant: How America’s war onmarijuana destroys the environment.” David Downs, November 21. 
  • 2013 The Nation.  “ Is Pot Growing Bad for the Environment. “ Seth Zuckerman. October 31. 
  • 2103  The Redwood Times.  “Humboldt reacts to new drive to legalize pot; Secretary of state says proponents can start gathering signatures” Lorna Rodriguez. October 14. 
  • 2013 Take Part News  “Pot Farms: Cause of Raging Infernos in Our Forests or Convenient Scapegoat?” September 3.
  • 2013 The Atlantic.  “California’s New Pot Growers: Not at all Earth Friendly Jesse Hyde”, July 25.
  • 2013 New York Times "Marijuana Crops in California Threaten Forests and Wildlife", June 21.
  • 2013 Rolling Stone Magazine.  "The Dirty Little Secret of Grow Ops". Page 55, June 20.
  • 2013 Huffington Post. “The Environmental Impacts of an Unregulated Marijuana Industry.” Nick Vissar. April 20. 
  • 2013  KHumboldt Arcata California, Econews Environment Show “Environmental Impacts of Marijuana Agriculture”, April 16.
  • 2013 Mint Press News. Marijuana Farming Found to Damage Californian Environment. Frederick Reese. Feb 18. 
  • 2013 High Country News, “Side Effects”, Marshall Swearingen . February 28.
  • 2013 Mother Jones, “How Industrial Pot Growers Ravage the Land: A Google Earth Tour.” Josh Harkinson. Feb 6.
  • 2013 Times Standard, Eureka, California.  “Environmental impacts of marijuana. Dec 26.”
  • 2013 Times Standard, Eureka, California.  “Solar powered pot? Pipe dream, say local authorities; 'Trend' not likely to grow on North Coast.” December 26.
  • 2012 KQED Forum, San Francisco, California. “The Environmental Costs of Growing Pot.” Dec 27.
  • 2012 Time-Standard "Marijuana institute takes shape at Humboldt" November 25.
  • 2012 USA Today. “Calif. town pushes back against industrial pot growers.” Jeff Barnard. Nov 3. 
  • 2012 KMUD, Garberville, California. Invited radio guest to discuss environmental impacts of marijuana industry. Nov 22.
  • 2012 Jefferson Exchange, Jefferson Public Radio, Ashland, Oregon. “Ecological & Human Health Impacts of the Marijuana Industry in the Emerald Triangle.” May 22.
  • 2012 Jefferson Exchange, Jefferson Public Radio, Ashland, Oregon. “Cannabis and Environmental Crime in the Pacific Northwest.” June 22.