You should read the book - I've got a few extra copies that I picked up a few years back through a California Mars Society chapter, Freepmail me your address and I'll mail you one.
We can certainly do it, and without the wasteful stopover at the space station that NASA seems to have wedged in to the Mars Direct plan in order to justify that particular white elephant. We went to the Moon approaching forty years ago with computers that were essentially glorified calculators.
How could it be anti-God? He commanded us to be fruitful and multiply, and fill up the earth, how much more godly is it to bring God's gift of life and mind to a barren planet! Imagine a human society, centuries from now, that spans three planets and the asteroid belt, and consists of a trillion humans living in prosperity and peace. What could be more godly than that?
Global warming isn't bunk, it's the idea that human CO2 emissions are the main cause of global warming that's bunk. The scientific principles of trapping infrared radiation near the surface of a planet with CO2 and other greenhouse gasses is well-established, on Venus and elsewhere.
Interesting, and you make a good point.
Global warming is bunk. Period. There's no scientific basis for it whatsoever. It is strictly political demagoguery.