Tregidga, HMKearins, KCollins, E2013-11-282013-11-282013-11-282013-11-2820132013Sustainability Conference 2013 held at Massey University, Albany, 2013-11-13 to 2013-11-15https://hdl.handle.net/10292/6013No abstract.NOTICE: this is the author’s version of a work that was accepted for publication. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in (see Citation).Certification ethics: towards better bananas?Conference ContributionOpenAccess