Alternatively, why aren't we talking about venusforming humans? All space operas seem to start with the earth-standard human in a suit. Compared to geoengineering a whole earth-standard atmosphere, bioengineering an intelligent organism that can thrive in nonearth environments seems fairly sane.
There's a social taboo against human genetic experimentation (hell, some people seem to struggle with vegetables) but that will eventually pass.
There's a social taboo against human genetic experimentation (hell, some people seem to struggle with vegetables) but that will eventually pass.