They knew how to go to the moon in 1961, at least in principle. It was "just" engineering. They don't know how to get to 100% renewables, not even in principl

They knew how to go to the moon in 1961, at least in principle. It was "just" engineering. They don't know how to get to 100% renewables, not even in principle. (The 100% plans need a storage technology that doesn't exist, yet.)