While reading into this I was surprised to see that contrary to popular belief large urban areas are positive for the environment. Cities are known for a lack of plant life and trees, but however are reducing mankind’s environmental footprint on our planet. Johnson uses one example of waste management, in a Portland Oregon, 500,000 residents require only 2 large septic tanks connected by 2,000 miles of pipes. By comparison a rural population can be using over a 100,000 separate septic tanks, with over 7,000 miles of pipes. The point being that the more spread out a population is the more resources are used to sustain life. Statistics from the book show how urbanization is an upward trend, by 2030 experts its predicted that over 60% of the world’s population is going to be living in an urban area.…