We had those same concepts in the 1960's; then some dumb ass said, "feed the poor, first." Then some other dumb asses said, "we'll start some wars." If the same amount of money spent on these projects were spent on Space, we'd be disucssing this issue; in space.
Administrative Note: Giving a person a job results in that person being able to obtain food. As more Solar, Wind, and Fuel Cell systems go up, even with post production problems, the cost of obtaining energy is going down.