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Water 4.0: The Past, Present, and Future of the World’s Most Vital Resource

di David Sedlak

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713371,471 (3.5)Nessuno
Turn on the faucet, and water pours out. Pull out the drain plug, and the dirty water disappears. Most of us give little thought to the hidden systems that bring us water and take it away when we're done with it. But these underappreciated marvels of engineering face an array of challenges that cannot be solved without a fundamental change to our relationship with water, David Sedlak explains in this enlightening book. To make informed decisions about the future, we need to understand the three revolutions in urban water systems that have occurred over the past 2,500 years and the technologies that will remake the system.The author starts by describing Water 1.0, the early Roman aqueducts, fountains, and sewers that made dense urban living feasible. He then details the development of drinking water and sewage treatment systems-the second and third revolutions in urban water. He offers an insider's look at current systems that rely on reservoirs, underground pipe networks, treatment plants, and storm sewers to provide water that is safe to drink, before addressing how these water systems will have to be reinvented. For everyone who cares about reliable, clean, abundant water, this book is essential reading.… (altro)
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I actually learned quite a bit! Very dry, even for a treatise on water supply and treatment, I found it a tough slog at times. But worth the read! At the very least, I'm recommending this to everyone I know that works in water and waste water. ( )
  zizabeph | May 7, 2023 |
This book is concerned with urban water systems. It only deals with crop growth to the extent that they use recycled urban water.

The book starts with Rome It was a large city that needed additional work to get the water into the city because it was so big. This is water 1.0. Many of their techniques are still in use today.

Water 2.0 is purification of the water system. When we realized that chemicals in our water were making us sick we tried out various treatment options.

Water 3.0 is treatment of the waste water. When we found that the city upstream had a dramatic influence on the quality of downstream municipal water supplies waste water treatment became common.

Of 13 chapters, I read chapter 6 “The Chlorine Dilemma” first because I have interest in our present urban water quality. Chapter 8 returns to the theme of contaminants in our water and their effect: “Traces of Trouble: Hormones, Pharmaceuticals, and Toxic Chemicals.”

Improvements are not free, and there is reluctance to spend money, as well as opposition to some of the solutions. ( )
  bread2u | Jul 1, 2020 |
Excellent overview of how we use this precious resource. It is written for the layperson, but is well-footnoted for the more serious reader. Explanations of the environmental issues as well as the cost constraints are helpful in understanding the problems and provide enough information so that we can ask the pertinent questions of our water managers and leaders. ( )
  ReluctantTechie | May 14, 2015 |
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Turn on the faucet, and water pours out. Pull out the drain plug, and the dirty water disappears. Most of us give little thought to the hidden systems that bring us water and take it away when we're done with it. But these underappreciated marvels of engineering face an array of challenges that cannot be solved without a fundamental change to our relationship with water, David Sedlak explains in this enlightening book. To make informed decisions about the future, we need to understand the three revolutions in urban water systems that have occurred over the past 2,500 years and the technologies that will remake the system.The author starts by describing Water 1.0, the early Roman aqueducts, fountains, and sewers that made dense urban living feasible. He then details the development of drinking water and sewage treatment systems-the second and third revolutions in urban water. He offers an insider's look at current systems that rely on reservoirs, underground pipe networks, treatment plants, and storm sewers to provide water that is safe to drink, before addressing how these water systems will have to be reinvented. For everyone who cares about reliable, clean, abundant water, this book is essential reading.

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