Alex Steffen:
Alex Steffen a fenntartható jövőről

TEDGlobal 2005 · 17:34 · Filmed Jul 2005
Subtitles available in 30 languages
View interactive transcript
810,304 Total views
Your impact
Share this talk and
track your influence!

Alex Steffen a Worldchanging.com alapítója szerint az ökológiai lábnyom csökkentése életbevágóan fontos, főként manapság, amikor a nyugati szokások megjelennek a fejlődő országokban is.

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



Enthusiastically agree? Respectfully beg to differ? Have your say here.

2000 characters remaining
Please or sign up to add comments.
Sort comments by
There are currently no comments for this talk.