So much focus on energy use with only a passing note on health and disease makes the entire essay useless: with no attempt to gauge how much more energy would be used if water was replaced more frequently (and how often would that need to be?), it makes for incomparable measures.
Running water was a boon for the health of the civilization[citation missing].
So much focus on energy use with only a passing note on health and disease makes the entire essay useless: with no attempt to gauge how much more energy would be used if water was replaced more frequently (and how often would that need to be?), it makes for incomparable measures.
Running water was a boon for the health of the civilization[citation missing].