>>>>>> If we were to build an off-world colony or "slowboat" starship
>>>>No need for an off-world colony.
>>>>Anyone who has been in a combat zone for a long period knows what it is to be deprived of "real" food.
>>>>I still don't take a fresh egg, or a fresh green vegetable for granted. Every time I eat them my enjoyment is enhanced by the recollection of the other stuff.
>>>>It kept us alive, but it was really awful.
>>>
>>>Climate change is going to have a major impact on our food and water supply in less than 20 years - many are going to have none at all.
>>
>>We tend to presume that all climate change is bad.
>>Do you think that we'd be better off if we were still back in the ice age?
>
>Riiiiight. That's overall pretty lame dude. There is no question that the man made climate change we are experiencing now is not a good thing - it's a bad thing. It's also clear that some people do not give a crap because they are old enough that they will be dead in 20 years, so instead of caring about the next generation they just say screw them and the whole planet. You'd think people would care about their kids but guess not enough.

Rephrase embolded as "probably caused most of warmup" and I'll agree - to my knowledge there is NO clear theory on cause of recurring and identifiable sorce of climate changes before industrialization. I do not think deforestation of some areas for ship-building wood registered...