while seemingly simple, the cambi thermal hydrolysis is an essential method to helping sustainable cities. the un estimates that by 2050 70% of the human population will be living in cities. this number becomes problematic, because urban soils lack nutrients and are not opportune for agriculture. with many residents and decreasing spaces for agriculture, city dwellers will have to start producing their food locally. the cambi thermal hydrolysis provides a method to not only recycle wastewater but also turn the wastewater into the highest-quality fertilizer that can be reused in the community, helping localize cities’ agricultural efforts while decreasing the amount of food that cities have to ship-in.