Alan Brown, writer and blogger for The Kavli Foundation contributed this article to Live Science's Expert Voices: Op-Ed & Insights. Imagine using plants to grow the natural gas that heats homes and the gasoline that powers cars. People could store it this form of solar energy in cars' fuel tanks, distribute it through pipelines, and buy it in gas stations. And everyone could use it without adding a single molecule of the greenhouse gas carbon dioxide (CO2) to the atmosphere. Green plants and some bacteria basically do this every day, through photosynthesis, turning water and carbon dioxide into sugar. Sugar is an organic fuel that stores the sun's energy for plants to use at...
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