2 Ergebnisse für: 1.848.057
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Richard Heinberg's Peak Everything - Part 1 - YouTube
http://www.youtube.com/watch?v=ybRz91eimTg
Waking Up to the Century of Declines. One of the world's foremost Peak Oil educators gives us his insight into the coming century. Recorded in Orewa on Tuesd...
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Wikimania 2016 - Wikipedia Addiction and it's Comorbidites by Kritzolina - YouTube
https://www.youtube.com/watch?v=iZHwxF7llOg
What role does mental health play in a community that want to create an encyclopedia?