By Don Willlmott Brace yourself for some breathtaking botany. A group of scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory are hard at work trying to perfect a process of artificial photosynthesis in an attempt to turn sunlight into useful substances--while simultaneously getting rid of nasty carbon dioxide. In other words, they want to do what plants and trees do... without the plants and trees. The ambitious goal is to develop a real-world system that can capture carbon dioxide emissions before they vent into the atmosphere and then use solar energy to...
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