National Geographic News, Reporting Your World Daily

Thursday, October 28, 2010

Photo: Poison Gas May Produce Clean Energy


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The Black Sea (above, at Sinop, Turkey)—the world's largest dead zone—may be chock-full of life-sustaining energy, a new study says.

The polluted inland sea has high concentrations of hydrogen sulfide gas. If the hydrogen could be harvested from this poisonous gas, it could be used as clean energy, some experts say.

Photography by Randy Olson