u. n. food and agriculture organization says that more than just science is needed to end world hunger. it is no super bowl, it's hard that and thick laundry alone would not take large. you need a life policy. it meets the rights area you lation, ending world hunger seems to be more difficult than sending a mission to mars. as the problem has less to do with technology and more to do with fair distribution, what happens if fertilizers become scarce or overly expensive? one simple solution is to opt for traditional methods. for thousands of years, farmers have been enriching their soils with animal or even human dung. in many countries, human feces end up in purification plants because they can contain toxins and pathogens. for our global ideas series, we traveled to a small community in mexico, which swears by the benefits of so called human you up. yeah, so last lot, thomas villanueva is so pleased with the days harvest that he breaks into sung as he delivers the sample for the kitchen. their laughter are these jo? yes, jo, his wife liliana ronda. we'll use a to prepare lunch. after wor