List of Articles:
Remarks on the FlowerTower, Paris,
architect Eduard François
Harrie van Helmond
Green emotion. The philosophy of MAD
Herrie van Helmond
Medina Complex Eindhoven
Harrie van Helmond

Highline New York
Once Oasis now Theme Park
Egon Zippel

Shade trees cool summer
Leora Rosner

Moss against C02
Leora Rosner

Ponte Palazzo - Green Bridge of Den Bosch
Harrie van Helmond

The Concept of Biotope City - City as Nature
Helga Fassbinder interviewed by Elisabeth Wertmann,

Greening the City ! Helga Fassbinder

Vertical Green in Paris
Interview with Mme Silvie Laurent-Begin
Marieluise Neuhaus, Danièle Weiller

Les jardins verticaux et murs végétalisés
ils prennent leur place dans Paris
Vertikale Gärten und grüne Wände greifen um sich in Paris
Christa Aue

continue list of articles....
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....not an article but worth to be read:
Resolution of the Global Assembly
of the Club of Rome
Amsterdam oct. 2009