Comment Re:Why stop there? (Score 2) 684
Overpopulation on earth will not be solved by colonizing Mars. You need to reduce Earth's population by a few billion to make a dent. Imagine the energy requirements to transport a billion or so people from Earth to Mars.
That ain't happening without Commonwealth Saga-esque wormholes. Which I think are a little unlikely.
I'm all for space exploration, but without new physics it's not going to solve the problems we have on Earth. We need to stop hoping to "get off this rock" and really focus on taking care of this rock. It's the only one we've got.
OP was not saying it would help reduce population, they were making the point that we have enough humans that a few could choose to go to Mars and we'd get on fine here. There are plenty of humans, we are not a scarce resource.
As to the argument to solve Earth's problems first, that's silly. There are over 7 billion humans on the planet, we can work on more that one thing at a time. And a few people leaving doesn't change the motivation or desire of those that are staying to take care of the environment. When a family moves out of an apartment building, do all the other families say "screw it, lets trash the place!"