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293 pages, Kindle Edition
First published January 1, 2023
Over the last forty years, ore grades ... have declined on average by half for many metals. Lower grades necessitate sifting through ever-increasing volumes of rock to find the metals we need - increasing the volume of tailings waste generated for each unit of metal produced. This, in a world where the environmental legacy of industrial mining is already writ large: tens of thousands of tailings storage dams (and growing) - a significant but unknown fraction at high risk of catastrophic collapse - languish like time bombs above rivers and poor communities across the planet.
Our world now faces a conundrum; we need more metals than ever before, but at the same moment, we need to find ways to limit the number of destructive holes we dig in the ground...