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There are leaks and fuckups in each industry. PV leak cadmium, wind leaks gearbox oil, coal leaks ash and radioactive elements, gas and oil leak CO2 and methane... and radioactive elements etc etc.
So until we have nuclear fusion which shouldn't leak anything significant -- and if we want 24/7 electricity -- we need to focus at what leaks the least of everything per kilowatt-hour of energy.