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The problem with these debates is that it's presented as an opposition of "clean wind and solar" versus "dirty coal and nuclear" (fossil gas is somehow forgotten thanks to PR efforts of Gazprom, see below).
Nothing in advanced engineering is clean.
PV, wind, coal and nuclear all require thousands of tons of steel, alloys and rare earth metals. All mining releases toxic waste, including radioactive - especially rare earths, which are often co-mined with uranium.
