Specifically episode TED: Alex Steffen: The shareable future of cities - Alex Steffen (2011)
Play: http://feedproxy.google.com/~r/TEDTalks_video/~5/VKWmYTRmVpA/AlexSteffen_2011G.mp4
Subscribe using Podcaster
or
use feed http://feeds.feedburner.com/TEDTalks_video in your favorite podcast catcher
Sent from my iPhone
