> The resources needed to produce solar cells and plant them on solar farms are silicon-rich sand, sunny places and human ingenuity, all three of which are abundant.

The last one reminds me of a quote attributed to Einstein [1]:

> Two things are infinite, the universe and human stupidity, and I am not yet completely sure about the universe.

[1] https://skeptics.stackexchange.com/questions/18140/did-einst...