May 7th, 2009 
Tushar Mathur [Several people pointed out an error in my calculations. Carbon is priced per metric ton not by pound. The carbon offset value of placing a textbook on Kindle is about 25 cents per textbook with carbon at $100 per ton. If the Kindle can hold 1000 textbooks then the carbon offset value is about $250, which is still significant – but not thousands of dollars. But I still believe the real value for the Kindle is in gCommerce application where the Kindle DX and its content can be given away for free to students and faculty in exchange for them reducing their personal carbon footprint, for example by taking public transportation, or paying a premium on parking and faculty travel. Collatech is live on second Life – watch for my avatar. – BSA]
Collabtech Conference
http://www.case.edu/its/collabtech09/
The carbon footprint of textbooks, paper etc
http://www.stewartmarion.com/carbon-footprint/html/carbon-footprint-stuff.html
One pound of printer paper generates 4 pounds of CO2; one pound of newspaper produces 3 pounds of CO2; one pound of textbooks produces 5 pounds of CO2; one pound of 20oz plastic bottles creates 1 pound of carbon dioxide; and one pound of aluminum cans produces 5 pounds of carbon dioxide.
Amazon’s Kindle DX
http://www.amazon.com/Kindle-DX-Amazons-Wireless-Generation/dp/B0015TCML0
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