On 10th April 2012, The Three Levels of Sustainability, by Elena Cavagnaro and George Curiel, was officially launched. The book launch was hosted by the Stenden University of Applied Sciences.

In his address, Professor Frans Stokman, from the University of Groningen, insisted on the necessity of approaching sustainability as a multidimensional and multilevel concept. He complimented the authors for having been able to offer a clear framework to their readers. In his own words: “The Three Levels of Sustainability figure is the best summary I have ever seen in the contents of a book.” He then insisted on the need to convert people from consumers to co-producers of, for example, sustainable energy. Professor Stokman has recently co-founded a co-operative for the production of solar energy, Grunneger Power. The co-operative, launched in 2011, now has more than 1,000 members and will start selling their greener energy…

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