Dr Björn Vinnerås Associate Professor in Environmental Engineering at the Swedish University of agricultural Sciences and the National Veterinary Institute. Dr Vinnerås has during the last 15 years researched and developed sustainable sanitation systems for high as well as low income countries. His focus during later years has been sanitization technology and he has been developing ammonia sanitization techniques that has been implemented in the patented Single use, biodegradable self sanitizing toilet Peepoo as well as accepted by the Swedish Agricultural board as a recommended manure management method during disease outbreaks on farms.