Geothermal power is one of the hottest prospects in the burgeoning clean-energy market. But, as Kurt Kleiner reports, it's not close enough to home for many uses.
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Kleiner, K. Promise boiling over. Nature 450, 934–935 (2007). https://doi.org/10.1038/450934a
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DOI: https://doi.org/10.1038/450934a