Life Cycle Assessment of Metals: A Scientific Synthesis. We have assembled extensive information on the cradle-to-gate environmental burdens of 63 metals in their major use forms, and illustrated the interconnectedness of metal production systems. Related cumulative energy use, global warming potential, human health implications and ecosystem damage are estimated by metal life cycle stage (i.e., mining, purification, and refining). Philip Nuss, Matthew J. Eckelman, Plos.org

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