Inter Press Service: Biodigester technology, which originated in Asia as a natural process for treating sewage waste, is reemerging in Latin America as an integrated system providing cheap energy, improved sanitation, and even attractive landscaping. It is hard to imagine that beneath a delicate flower floating on a tank full of crystal-clear water, there is a hidden biodigester treating waste from a family home. Even more difficult is to imagine that a small two-ring cooker, where a mother …