[Bro. Makheru, if certain folks don't understand that food availability is a non-negotiable trigger for resource-based conflict, then there's a better than even chance they don't understand much of anything at all.]
Venture capitalist Vinod Khosla makes a great counterpoint to Lester Brown and effectively calls many of Brown's panaceas "toys" and unrealistic. He explains Scalability, Cycle Time, and Cost and underscores the inexcusable paradox of American intransigence in the face of abundant opportunity.
If there is a deus ex machina technology capable of rescuing us from our predicament, ultimately, genomic programming and synthetic biology is where it's at - remember that I told you so on subrealism's zero day.