The 1900s-era Ohio house my father grew up in had a rain-collecting cistern in the back yard with a lever on it that could switch the flow from the laundry room to the lawn.
This is not nearly as elegant, but it's cheap! $9 worth of plastic from the hardware store can help you empty your shower onto your lawn.
A $9 gravity-fed greywater system - More DIY How To Projects
Famine the Unanticipated Catastrophe - People assume that famines are caused by a poor growing season. This is true in agrarian societies where everyone farms. However, a financial world banking...
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