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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: RetiredNow who wrote (365037)	1/2/2008 6:55:03 AM
From: Road Walker	Read Replies (1) \| Respond to of 1574085

I know it's a silly question, but it's one I've been wondering about with my limited chemistry knowledge. I imagine your chemistry knowledge is double mine... so I will leave it to others to answer. We really need to apply technology to the development and application of renewable resources... otherwise our standard of living is certain to go down. Our economic future is a stake, and it seems our best minds are starting to "get it".

To: RetiredNow who wrote (365037)	1/2/2008 11:27:45 AM
From: combjelly	Read Replies (3) \| Respond to of 1574085

"But is it really true that they are not bio-dedgradable?" Well, many plastics are pretty stable molecules. And they aren't normally occurring ones, so the present bacterial populations haven't evolved to use them. Now, as the percentage of the plastics increase in the environment, sooner or later something will develop to utilize them. But, then the other part of the problem crops up. Plastics generally don't have much in the way of oxygen in their composition. So to fully degrade them, some oxygen is going to be required. The problem is that unless we just chunk our trash on the side of the road, they are put in landfills. Which don't have much in the way of available oxygen.