There's an uncomfortable reality about reaching net zero that's not often discussed.

It's that getting there might mean a whole lot more environmentally challenging mining.

At a virtual summit of leaders last week, everyone agreed the days of coal, oil and gas were numbered, and wind, solar and batteries were the key to the future.

So where are we going to get the raw materials to build them?

Today on The Signal, we look at the mining boom we're going to need for the energy transition, and ask whether we're ready for the new environmental and human challenges it could create.

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‪Dr Eleonore Lebre, Research Fellow, Sustainable Minerals Institute, University of Queensland