National Geographic News, Reporting Your World Daily

Thursday, October 28, 2010

Photo: Splitting Water Molecules the Next "Green" Power Source?


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Green plants have been using photosynthesis for billions of years to efficiently convert sunlight into energy.

Now scientists say artificially mimicking a key step in the process—splitting water into hydrogen and oxygen—could offer humans a limitless source of renewable energy.

Leaf photograph by Jozsef Szentpeteri/NGS