It is worth noting that virtually every alternative energy source we have - solar, wind, nuclear, and battery and fuel cell technologies for storage - resulted from public innovation and R&D, not private. The problem is that we haven't done enough of it, and we have done it inconsistently.
I like photography and writing and travel, so I have a lot of cerebral occupations. I am going to become a sailor and do a world tour on my yacht if I don't get any more work.