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Alex Steffen:
Alex Steffen vede un futuro sostenibile

TEDGlobal 2005 · 17:34 · Filmed Jul 2005
Subtitles available in 30 languages
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Alex Steffen: Alex Steffen vede un futuro sostenibile
17:34 · Filmed July 2005 at TEDGlobal 2005 · Subtitles available in 30 languages

Alex Steffen, fondatore di Worldchanging.com, ci mostra quanto sia di vitale importanza ridurre l'impronta ecologica dell'umanità, ora che lo stile di vita occidentale e consumistico si diffonde alle nazioni in via di sviluppo.

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
This talk was presented at an official TED conference, and was featured by our editors on the home page.

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