Our once-pristine planet now poisoned by man
What we might recognize as human evolved on earth over two million years ago.
We inherited a pristine planet that we have now poisoned, but we want to colonize Mars and find planet B?
We have no right to do so until we have unpoisoned earth and restored the viability of those who came before humanoids.
Are the smartest beings on the planet on path to sub-intentional suicide?