Bisphenol A, a common compound found in many plastics, has been listed as a toxic substance in Canada but is still deemed safe in the U.S.

Wissenschaft & Technik
Scientific American Podcast: 60-Second Earth Folgen
Tune in every Sunday for quick reports on the science of the environment and the future of energy. It'll just take a minute!
Folgen von Scientific American Podcast: 60-Second Earth
312 Folgen
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Folge vom 23.10.2008Is BPA Bad for You?
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Folge vom 15.10.2008How Toxic Is Your iPod?What is the environmental impact of the Apple products you throw away?
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Folge vom 09.10.2008Maul of the Wild: Sixth Extinction Wipes out Animals WorldwideExtinction juggernaut races across the globe
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Folge vom 02.10.2008Environmental Issues Divide Presidential ContendersWhere do the candidates stand on the environment and energy? David Biello reports