With 50% of the world's population living in cities, dealing with the MASSIVE waste stream is a critical issue. As always, a polyculture of methods to address this issue is going to be the most resilient. Here is one Chicago restaurant owner's solution. Love how he's now spreading his knowledge into his community.
Subtropical desert (Köppen: BWh)
Elevation: 1090 ft Annual rainfall: 7"
My favorite is a chocolate cupcake with white frosting and tiny ad sprinkles.
Permaculture Voices 1, 2 and 3 - all 117 hours of video!