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Powering the Planet
Opponents of the controversial drilling technique of hydraulic fracturing, or "fracking," have been energized by a recent survey that shows companies may be overstating the amount of natural gas underneath the heavily populated northeast U.S. Fracking could support more than 250,000 jobs, but opponents say it's not worth the environmental risks.

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U.S. and oil addiction
American researchers, backed by the American people, can find innovative, cost-effective ways to end our dependence on imported oil.-- Eric Isaacs, director of U.S. Energy Dept.'s Argonne National Laboratory

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Which energy source is the most environmentally friendly?