Project Plowshare says hello:
Such ambition! Hey, there's a mountain in the way. Let's blow it up! The audacity to reshape the world in such a way that it suits ourselves has been lost. Why shouldn't we green the Sahara? Why can't we make a new continent?
The soviets reportedly used nukes to cap uncontrolled leaking oil wells - https://www.npr.org/2010/06/04/127473704/stopping-a-spill-th...