If prices are getting very high, Satoshi would not really need hundreds of billions of Dollars, it makes more sense if he is voluntarialy organizing a serious "giveaway" and distributed it to non-profitable organizations working agains climate-change, to red-cross, fund educational programs, etc...
He would remain very, very rich, would make Bitcoin safer and definitely write his name in history.
Satoshi is not stupid enough to believe in the climate change garbage. A religious nut could not have made something like bitcoin.
I don't want to be carried off-topic and I also don't know how things are in the US much (where seemingly most of the religious nuts and climate-deniers are), but I would associate religious nuts with denying climate change, not the other way round as your statement suggests. Why do you think that religious nuts in particular are those supporting scientifically evidenced climate change? (When they opposed scientifically evidenced evolutionary theory, for instance.)