An anonymous reader writes: Researchers from Berkeley Lab and the U.S. Dept. of Energy have created an artificial photosynthetic process that capture carbon dioxide in acetate, "the most common building block today for biosynthesis." The research has been published in the journal Nano Letters (abstract). "Atmospheric carbon dioxide is now at its highest level in at least three million years, primarily as a result of the burning of fossil fuels. Yet fossil fuels, especially coal, will remain a significant source of energy to meet human needs for the foreseeable future. Technologies for sequestering carbon before it escapes into the atmosphere are being pursued but all require the captured carbon to be stored, a requirement that comes with its own environmental challenges. ... By combining biocompatible light-capturing nanowire arrays with select bacterial populations, the new artificial photosynthesis system offers a win/win situation for the environment: solar-powered green chemistry using sequestered carbon dioxide."