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Alex Steffen:
Ο Άλεξ Στέφεν βλέπει ένα αειφόρο μέλλον

TEDGlobal 2005 · 17:34 · Filmed Jul 2005
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Ο ιδρυτής του worldchanging.com, Άλεξ Στέφεν, υποστηρίζει ότι το να μειωθεί το οικολογικό αποτύπωμα της ανθρωπότητας τώρα είναι ζωτικής σημασίας καθότι ο δυτικός τρόπος ζωής εξαπλώνεται στις αναπτυσσόμενες χώρες

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Planetary futurist
Alex Steffen explores our planet's future, telling powerful, inspiring stories about the hard choices facing humanity ... and our opportunity to create a much better tomorrow. Full bio

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