This is basically the same content as the one from ejolt: http://www.ejolt.org/2014/08/building-an-economy-on-quicksand/ http://www.ejolt.org/2014/08/building-

This is basically the same content as the one from ejolt: http://www.ejolt.org/2014/08/building-an-economy-on-quicksand/ http://www.ejolt.org/2014/08/building-an-economy-on-quicksan... The original documentary, Sand - Die neue Umweltzeitbombe: https://www.youtube.com/watch?v=SEWqs1wJuLc https://www.youtube.com/watch?v=SEWqs1wJuLc