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	Podcast:		Green Tech Today (MP3)
	Episode:		GTT 25: Calera - Learn about the production "green cement" used to replace the carbon-intensive Portland cement.
	Category:		Science & Medicine
	Duration:		00:43:20
	Publish Date:		2011-03-14 15:39:27
	Description:		Top 25 Green Tech Innovators Series: Calera Learn about the production "green cement" used to replace the carbon-intensive Portland cement, the third largest source of anthropogenic carbon dioxide. Host: Dr. Kiki Sanford We invite you to read, add to, and amend our show notes at wiki.twit.tv. Thanks to Cachefly for the bandwidth for this show.
	Total Play:		0