![]() Cities are known for a lack of plant life and trees, but however are reducing mankind’s environmental footprint on our planet. While reading into this I was surprised to see that contrary to popular belief large urban areas are positive for the environment. The book also touches a lot on how urbanization is a positive and necessary trend for a healthy sustainable ecosystem. His discovery was that the cholera come from contaminated water systems. John Snow as he find the source of the outbreak and ultimately changed the way modern city-dwellers, city planners, physicians, and public officials think about the spread of disease and the development of the modern urban environment. Steven Johnson’s The Ghost Map is a national bestseller about Cholera epidemic that happened in London, and how it completely changed glob view of urbanization. ![]()
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