What kind of atmosphere does Mars have that a helicopter can operate? I an a former Army rotary wing aviator and I find it fascinating that Mars has enough atmosphere to fly in. What is it made of? Can a human breathe it?

If insurance companies still offer insurance in these areas then your theory of rising oceans is negated. By law they cannot offer insurance if they cant profit. Insurance companies would not offer insurance if they are guaranteed to lose money. Won’t happen. They look at the same models as governments. I think…