Copyright © 2006 E/The Environmental Magazine 1215274863 1215274863 http://www.emagazine.com/view/?4277 The EarthTalk Syndicated Column from E/The Environmental Magazine http://www.emagazine.com/view/?4277 http://www.emagazine.com/earthtalk_logo.jpg http://www.emagazine.com/view/?4277 The EarthTalk Syndicated Column from E/The Environmental Magazine E/The Environmental Magazine E/The Environmental Magazine E/The Environmental Magazine en Environmental News 600 E/The Environmental Magazine E/The Environmental Magazine 1215274863 en Copyright © 2006 E/The Environmental Magazine E/The Environmental Magazine daily 1 1215264863 http://www.emagazine.com/view/?4277 Dear EarthTalk: What are the environmental pros and cons of corn-based plastic as an alternative to conventional petroleum-based plastic? <br /> <br /> Dear EarthTalk: How is it that hydrogen can replace oil to run our cars? There seems to be a lot of controversy over whether hydrogen can really be generated and stored in such a way to be practical? 1215274863 http://www.emagazine.com/view/?4277