With regard to Mars colonization, we can walk and chew bubblegum at the same time. The solution to world hunger isn't actually meaningfully impacted by resource

With regard to Mars colonization, we can walk and chew bubblegum at the same time. The solution to world hunger isn't actually meaningfully impacted by resources spent on Mars colonization. Rather, it would seem that solving climate change will give us the tool to deal with space colonization, as space colonization of new homes fundamentally involves managing new ecology and life support systems.