Category Archives : Research


Perennial Agriculture Now! Our presentation at American Society for Agronomy. 1

For the last several years, Eric Toensmeier and I have been working (ever so slowly) on a scientific review of global perennial staple crops. Last year we received an invitation to present our work at the annual American Society of Agronomy conference, in a session that was otherwise composed of perennial grains researchers. This was […]

staple yields

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Toward 21st Century Permaculture: new articles 1

If I haven’t attended to the website in ages – and I haven’t – it’s because my scarce extracurricular writing time has gone into articles that I couldn’t share until now. I’m very excited to have two articles in the current issue of Permaculture Activist (Autumn 2014, No. 93). The theme of this issue is “Experimentation […]


Permaculture as evolutionary social learning organization

I made minor contributions to this very interesting poster presentation at the Radical Emission Reduction Conference held by the Tyndall Centre for Climate Change Research at the Royal Society in London on December 10-11 2013. My hat is off to Ed Sears (of the Earth Systems Science Research Group at Exeter), the main mover behind the project, […]

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People’s Science or Pseudoscience? @ Int’l Permaculture Congress, Cuba 2013 18

I’ve assembled a playlist out of the major sections of my talk at the International Permaculture Convergence this past autumn in Cuba. Thanks to Koreen Brennan and Cathrine Dolleris for shooting video and sharing it with me. I hope to turn this talk into an article in the next month or two.  

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