There was also project Plowshare, as chronicled by Kurzgesagt at https://www.youtube.com/watch?v=h3DCdWyb0cc

Which was building canals etc with nuclear bombs. https://en.wikipedia.org/wiki/Project_Plowshare

In the end we're just boiling water.

"Hey boss, do you think there is a chance this scheme might introduce radioactive byproducts into the ground water?"

"Shut up"

Coming soon: thermonuclear fracking.