"I realize this . But I have n't heard of breaking research in areas like growing crops in deserts , or re-purifying urine . I would think that if the world is truly as over-populated as you make it out to be , we would be desperate for technologies like these ."
"Well , the areas which might want these technologies do n't really have research facilities on every block ."
"we would be desperate for technologies like these ."
"the areas which might want these technologies do n't really have research facilities on every block ."