Chocolate has a dark side--child slave labor. David Biello reports

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 30.10.2011Halloween Chocolate: More Trick Than Treat?
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Folge vom 23.10.2011Why Is the CIA Keeping Climate Change Secret?The Central Intelligence Agency is working on climate change, but you'd never know it. David Biello reports
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Folge vom 09.10.2011How Steve Jobs Tried to Make Apple GreenThe environmental and social impacts of all our gadgets are not insignificant. David Biello reports
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Folge vom 02.10.2011World's Largest River Restoration Project BeginsThe removal of two dams on the Elwha River will help restore once-abundant salmon runs. David Biello reports