A great essay on this is online the NY Times at
http://www.nytimes.com/2006/06/04/magazine/04wwln_lede.html?ex=1149566400&en=6eb4c22c01f52feb&ei=5087%0A
This is great teaching material and just good reading for anyone trying to promote a sustainable world. Be careful what you ask for, if WalMart gives it to you!
Burton Hamner
Director, Cleaner Production International
Producer, http://www.CleanerProduction.Com
5534 30th Avenue NE, Seattle, WA 98105
wbhamner@cleanerproduction.com
(206) 526-5308
mobile (206) 491-0945
fax (215) 565-4558 (yes, different area code)