I wonder what his carbon footprint was.
Are you referring to the man's travels, or his companies? Every time his company testfires rocket engines, or sends a rocket to space, it's burning a lot of exotic and not-so-exotic chemicals like rubber and aluminum. Can't be good for the environment. But liberals always get a pass, polluting on a massive scale equivalent to thousands of ordinary folks minute carbon footprints.
The future Prez has a list of “invitees” who would be sent to Mars, and Musk has the means to get them there in the near future.