Answer the question. Who decides who has to die in your scenario? And given the history of innovation that has allowed mankind to expand many times when naysayers like you said we were doomed, what makes you think that won't continue? In fact, the more people we have, the more brainpower there is to work the problems. But you are welcome to do all you propose. I'll have little of it, though I like aquaponics and am thrifty in nearly everything.