If needs must why don't we explore space and also become better stewards of our biosphere, too, concurrently?

Dear critical-reader, as wise thinking-beings the question to ponder over is: If needs must, why don 39;t we explore space and also become better stewards of our beleaguered biosphere, which is our only home, too, concurrently? Take Mars exploration for example: With the greatest respect, isn 39;t it reasonable to posit that humans aren 39;t .