I picked this up from the library new book display a few weeks back; it was very enlightening. It talks about the many ways people deal with sanitation, and the problems and effectiveness of each.
Written as a popular science work rather than a technical treatise, I sometimes wished the author would have given a bit more technical detail. Even so, the overall picture is very clear: human waste must be disposed of. Safely. Or people die. What works about the systems we use now, what doesn't, and what the options are. She doesn't offer clear-cut solutions - there don't seem to be any. But I would definitely recommend this to every adult - and many teens - as an essential part of knowing how the necessities of life work.
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