A little bit off-topic, but why were you walking so much? And where did you find so much energy to do so (I presume you would probably need to eat a lot (much more than 2,000 calories) to be able to walk so many miles)?
Won't people need to have LetsEncrypt CA certificate installed on their computers to not get that red SSL incorrect certificate thing? Other than that, this is awesome.
Trying to find answers to the most important questions is much more important than saving a few thousand people now. Plus, we'll probably need to leave Earth one day, and before that we need to know how.