The external costs of banana production: a global study : research report / prepared for Fairtrade International ; Fairtrade International, True Price, Trucost ; authors and acknowledgements Adrian de Groot Ruiz (True Price), Vincent Fobelets (True Price), Colette Grosscurt (True Price), Pietro Galgani (True Price), Rick Lord (Trucost), Richie Hardwicke (Trucost), Miriam Tarin (Trucost), Gautham P (Trucost), David McNeil (Trucost), Sarah Aird (Trucost)