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Alex Steffen:
Alex Steffen: Wie sich Städte in Zukunft besser gemeinsam nutzen lassen

TEDGlobal 2011 · 10:13 · Filmed Jul 2011
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Wie können Städte dazu beitragen, die Zukunft unseres Planeten zu bewahren? Alex Steffen zeigt uns ein paar tolle Ideen für grüne Projekte in unserer direkten Umgebung, durch die wir auf Dinge, die wir wollen und brauchen, besser zugreifen können — während wir gleichzeitig weniger Zeit in Autos verbringen.

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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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