It's important to break down unrealistic fantasies so that we don't get lulled into a false sense of security or complacency for major problems. Building a main

It's important to break down unrealistic fantasies so that we don't get lulled into a false sense of security or complacency for major problems. Building a maintainable civilization outside of Earth is likely a significantly harder problem than solving the climate crisis directly. Having said that, goals to colonize space or terraform other planets could be immensely helpful at developing technologies to deal with our problems on Earth. I've also never come across anyone who actually has the view that we don't need to deal with climate change because we can just leave Earth. Is that actually common? If so, we're really not doing a good job of conveying how time critical the crisis is. We don't have the centuries we'll likely need to develop self sustaining off world civilizations before civilization here starts to break down. We have decades, maybe. Even if we develop the technology fast enough, we'll probably have exhausted all the cheap energy/resources needed to deploy it at scale.