On: Buzz Aldrin: Get to Mars within 20 years

[vlasev]

Here's one - risk management. Having a second place we can call home will greatly improve our chances of surviving as a species.

[TruthElixirX → vlasev]

That is a shitty reason. 200 billion invested in clean energy or reversing green house gasses would go way further. For Earth to get bad enough that Mars was a viable planet would be fucking insanity.