http://www.sciam.com/article.cfm?chanID=sa003&articleID=0000E57E-E47B-1DC6-A F71809EC588EEDF >According to a study recently published online by the Journal of Environmental >Science and Technology, the manufacturing of a typical two-gram chip takes >1.6 kilograms of fossil fuel, 72 grams of chemicals and 32 kilograms of water. ...food for thought... Richard Chirgwin