>>>>> 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.

You have to remember that "C rats" were only designed for intermittent use. During one 6 month period in Viet Nam I averaged about 4 meals a month that were not "C's". My weight topped out at 217 pounds on about 5,500 calories a day - but I did have a 31" waist.

>>
>>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?