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Articles from EarthTalk: Questions & Answers About Our Environment. A Weekly Column (October 7, 2007)

1-2 out of 2 article(s)
Title Author Type Words
Dear EarthTalk: are there any efforts underway to lessen the environmental impact--which must be considerable--of all the "18 wheelers" and other large vehicles that are numerous on our highways? 509
Dear EarthTalk: is it true that some ingredients in common air fresheners can cause health problems? 537

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