That being said, the sun isn’t always shining and the wind isn’t always blowing. What we lack is the capacity to store it at a 99.9% efficiency rate. We need a storage/battery revolution before the next big energy revolution is possible. Maybe they’ll figure out a super dense and efficient battery out of graphene or carbon nanotubes. Who knows?
Another stop-gap would be some sort of thorium or liquid sodium reactor. But we lack the will to fund the research (IIRC it hasn’t been scaled beyond proof of concept before) and haven’t come up with a way to get rid of the waste, yet. Not only is it a clean nuclear power option, but it would also actually help us work through our stockpile of waste from traditional reactors, and has virtually zero chance of melting down.
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