I think you're overly optimistic. Our technology does and will explore space at large.
Humans in space (beside the few scientific missions and maybe a Mars trip) make about as much sense as motorized fishbowls on highways. Humans won't leave the solar system, and we may destroy the ecosystem that feeds us before we can start a serious space expansion program.
Beside the CO2 problems (warming and ocean acidification), we've also destroyed a third of arable land in the last 40 years. The presence of biodiversity is needed for resilient ecosystems too.
Humans in space (beside the few scientific missions and maybe a Mars trip) make about as much sense as motorized fishbowls on highways. Humans won't leave the solar system, and we may destroy the ecosystem that feeds us before we can start a serious space expansion program.
Beside the CO2 problems (warming and ocean acidification), we've also destroyed a third of arable land in the last 40 years. The presence of biodiversity is needed for resilient ecosystems too.