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Publisher's Summary

In this issue: "A Path to Sustainable Energy by 2030": How wind, water and solar technologies can provide all of the world's energy needs, eliminating our dependency on fossil fuels. "The Rise of Vertical Farms": Large-scale agriculture in urban high-rises could revolutionize how we feed ourselves and future populations. "The Everything TV": The Internet is on the verge of upending the television-viewing experience. "Rethinking the Hobbits of Indonesia": New findings that could overturn key assumptions about human evolution.
©2009 Scientific American
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