Some say eating insects could save the planet, as we face the potential for global food and protein shortages. It's a common practice in many parts of the world, but what would it take to make bugs more appetizing to the masses here in the U.S.? Does it even make sense to try? A look at the arguments for and against the practice known as entomophagy, and the cultural and environmental issues involved.
Fossil fuels will run out one day — and that day may not be all that far off. Jeremy Rifkin, president of the Foundation on Economic Trends talks about what many see as the future — the hydrogen energy web. He’s author of the new book "The Hydrogen Economy" (Tarcher Putnam).
- Jeremy Rifkin president of the Foundation on Economic Trends. His other books include "The Hydrogen Economy," "The Biotech Century," and "The End of Work."
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