In these days, we have become so dependent on the bells and whistles on technology, that we cannot even do simply things like memorize a telephone number. And in this era of technology, we have the biggest most beautiful food known to man, also the most deadly.  We consume consume consume with no care to the effects of the environment.  We need to go back to the basics. 
I am an avid supporter of permaculture.  It very well maybe the answer to many of the starving and struggling people worlwide.