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Jeudi
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Palexpo, Halle 7
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Willy Borsus, Commission du Développement durable du Congrès de Strasbourg
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Pierre Chappuis, René Longet, Willy Borsus, Yves Leuzinger, Claude Haegi
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René Longet, Maire d'Onex
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Yves Leuzinger, directeur HEPIA
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Pierre Chappuis, Ville de Genève
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François Saint-Ouen, Secrétaire général de la FEDRE
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Notre photographe
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Gallus Cadonau, Solaragentur
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David Hiler, Conseiller d'Etat
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